Did this on my 2008 , the support was top notch. I am a long armed tall human so i had to improvise to get to the passenger side clip after trying the whole lay on top the engine. took a few hours to figure out. If you do not have a young small young person to do the passenger clip. So the 10mm bolt holding a small harness on top of the intake manifold once you remove it you can see the clip. to get to it the easiest way was to unclip the main harness from body on the passenger side, then there is a 2nd clip that is holding onto the engine via a 10mm bold. Once both are removed . You can push the harness around and reach the clip from the passanger side with no issue. I used small nose plier to push the tab down and pull. The harness clips are one one where you stick your small flat head screw driver and just pull. they are strong and they will clip back. Even if not its not a big issue, the 2nd clip is held in place with a 10mm which is easier to remove the bolt then removing the harness. Might help someone as this if know would take you 10 minutes to do the passenger side. the driver side is easy. The block off bolts were completely rusted so ended up getting a pdf from heweitt with some solution that i gave to my mechanic who charged me 100$ to get this done, If our pump is stuck open then this is needed to clear the error. Put 1000 miles in the July 4th weekend and got 2 mpg more than usual and it runs with alot pep. Smooth. Being a 2008 mine is out of the age for emission . i also got some gas smell in the cab which has disappeared

I CANNOT recommend Hewitt ENOUGH!!!! After my check engine light came on and my 2011 Tundra and it went into limp mode I was PISSED! The truck has NEVER been repaired and the 1st problem is EMISSIONS! Even better when the dealer quoted OVER $3K! I ordered the Gen 2 module and harness, installed it, but still dead. I contacted Hewitt and they suggested ordering the sensors. installed still DEAD!!! Now I'm really losing it! I talked to a tech at Hewitt and he helped me diagnose a BROKEN wire on one of my connectors....Ordered a new connector and pigtail and BOOM! Up and RUNNING!!!! They allowed me to return the sensors and in my OPINION have shown what AMERICAN COMPANIES Customer Service SHOULD BE!!!!!! THANK YOU SO MUCH!!!

I just did this on my 2010 4.6 Tundra. The kit arrived a day early and the instructions were phenomenal. Took me about 90 minutes with harness and block off plates. I wish all businesses put this much detail and energy in their products. Thank you.

Long story short... I was on a 5300 mile trip and 800 miles in Im stuck in New Mexico with a harley in bed of truck and a camp trailer in tow... Limp in mode on hwy with 80 mph speed limit and Im in limp in mode! After limping to Rio Rancho NM this great company was able to next day air ship this to me so I could put it on in a parking lot! SAVED MY ENTIRE TRIP!!!! I cant thank you all enough! After install no more light issues and I was able to drive like a mad man to catch up with my trip! WELL DONE MY FRIENDS!

Had to install a bypass about two years ago and it’s still working like a champ. Hewitt Tech saved me tons of money to fix a known problem that Toyota half ass handled.

I have a 2012 Tundra 4.0 Liter. I had codes 2440 and 2442. I contacted Paul from Hewitt. He guided me through the process of installing the Gen 2 bypass. I hadn't done much automotive work in the last decade due to age and injury so I was leary about doing the work myself. Once I got the kit and watched a few videos I went to work with the very clear and concise instructions. Turns out the intallation was about a 2 on a scale of 1-10. Really pretty simple. I had little issues accessing the the bolts and screws. The block off plates slid right in. After I completed the install I started her up and had a little bit of vibration for a minute or two. No codes. No idiot light. I drove it for 4 days on all conditions and have had no problem. Paul Hewitt replied to my emails promptly and in enough detail to make this easy. The service and support was as good as it gets. I saved myself a good 2 grand probably by using the Gen 2 bypass. Thanks Paul!

Best customer service EVER!! I got one for my 2008 4runner. It works perfect. A month after I installed it my car threw another code and I thought it had gone bad. I call Hewitt and they diagnosed the codes over the phone. The technician said it was probably my gas cap. I looked at my gas cap and sure enough my gas cap was loose. I tightened my cap and all is well. Saved me a trip to the auto shop!!

Installed my Gen 2 kit yesterday on my wife's 2012 Tundra. What a lifesaver it is. I was not going to pay $3000 plus for a system that I'm sure would have just gone out again. Thank you Hewitt Tech for the great product, and for also answering the phone when I called. The person I spoke with was outstanding and very knowledgeable about the product.

I installed the Gen-II on my 2011 Tundra 4.6L with relative ease and it only took two hours. Hewitt's KZfaq videos helped immensely, plus a couple of others I found demonstrating the installation process. The CEL came back on shortly after installation of the bypass kit. I emailed Hewitt support and the owner replied immediately. That in itself spoke volumes to me about this company! Mr. Hewitt suggested I install the optional pressure sensor on Bank 1 to see if it would resolve the codes I was getting. I was impressed that he did not try to convince me into buying a pressure sensor for Bank 2 unless I truly needed it. Turns out I did indeed need the second pressure sensor which took all of one minute to install. Since then, my truck has been running like a champ! Finally, each time I placed an order I paid for overnight shipping from their location in SC to Dallas, TX and the part was sitting on my doorstep by 9:00 AM the next day. Again, great customer service. I highly recommend this company and their products!

Ordered the kit for my 2012 Toyota Tundra, 4.6. The product arrived on time and was easy to install. I had to make several calls for tech support. The support was awesome! I can't express how responsive, patience and knowledgeable the support staff is. Derek was the technician who assisted me. Derek was awesome and provided amazing support. I and my Tundra are grateful for Hewitt and Derek. We are "On the Road Again." Thanks guys.

These guys are the real deal, this kit works 100% love the OEM look. And the kit now comes with the plastic caps for the 2 plugs that are no longer needed.

Installed this kit on my 09 5.7L Tundra before I had any issues and so far works fine. This was a challenge but doable. What helped was taking off the front wheels ( you will need to do this anyway to install the block-off plates) and lower the front end down for easier access to the air switching valves. Use one of the tires to stand on instead of a plastic slip and slide step stool to stand on. To remove the switching valve (made in hell) connectors, I had a very small flat bladed screwdriver 1 1/2" length with a shank 3/4" long with a dia. .075 (a little over 1/6"). A nail would probably work. Insert this in the top hole back of the connector to override the latch. Now you can focus on the connector body without damaging the wires in the process. Practice this with the connector on the airbox (same one used on the valves). Hope this helps.

After Seeing p2442 code and multiple limp mode incidents on my 2008 5.7L Tundra. Was told by Toyota dealer I needed a $2,995 repair to fix the errors. I Installed the Gen1 bypass tonight and so far seems to be back to normal operation. Thank you!!!!!

My 2008 toyota tundra 4.7l is now running smoothly and out of limp mode. The kit truely is plug and play and the blocking plates were easy to put in from the top not the wheel well on my truck. excellent instructions, and the customer service was also excellent answering my questions prior to my purchase as well. would definitely recommend it to anyone with a tundra having those SAIS engine code problems. Thanks.

After going to two different mechanics because I got a PO419 code in my 2010 4.6L Tundra and was told by both I needed 2 new air pumps from Toyota only! I started researching alternatives. I found Hewitt-tech Gen-2 bypass a cheaper solution. I’m 79 years old and the biggest problem I had installing was separating the electrical connections. I thought putting the block off plates between the ASV and the air tubes was going to be difficult but once I found the bolts to remove from the air tube brackets and gently with a 10mm wrench loosened the flange bolts I was able to breath! Everything else was easy and once I tidied up with zip ties reconnected the negative cable to the battery I crossed my fingers and started the truck which immediately died(normal) after restarting the engine light was gone and I drove it around the neighborhood. All is good and when I had questions I emailed them to support with pictures and got a response right away. What was even scarier after was thinking about those mechanics I took my truck to and how much it was going to cost me if the air pumps did not fix the problem because there are other pieces to this puzzle as simple as a corroded terminal in one of the connectors. Great money saving product with helpful people Thanks Hewitt-tech.

I bought a Gen II SAIS kit and a PSO for my 2007 Tundra from Hewitt Tech February of 2021 and just made time to do the install in Jan 2022. I'm not terribly mechanically savy but Paul's system and instructions made the installation a breeze. The components are high quality; the installation instructions include photos of critical steps and are easy to follow. I would recommend this solution for any Tundra owner that is facing Secondary Air Injection System failure, it is an excellent fix with top-of-the-line support.

I just installed this kit on my 2012 Toyota Tundra 4.6L. It did the trick! The switching valves are in the engine bay rather than under the wheels for my truck. Loosening the bolts on the switching valves for the block plates installation, especially the one near the air filter, were the toughest parts of the install for me. All in all it probably took me 3.5 hr - I’m mechanically inclined but more on the home improvement side of things. Very happy with the product, so far. I really hope it holds up over time. Thank you, Hewitt

Installed the Gen 2 kit in my 2013 Tacoma. Couldn't be easier. The trick of going through the wheel well was awesome. The truck is running better than ever! Your Customer service rocks!

2008 tundra 5.7 Just had my full kit installed, did the install myself. It went smooth overall, even though there are tight spaces and hard to get to spots, helps being tall with long arms and big hands 😊 The CEL went off right after, with out having to plugging in the code reader and erasing codes. Truck passed emissions with no problems. Huge Thank you! to Paul Hewitt and his team for developing a great product that works, it’s definitely worth the money invested to keep our trucks on the road.

Installed this on my 4.6 tundra with the pressure sensor add ons. Worth every penny and installation was a breeze. $5000 was the quote I got (definitely high balling) for the entire system rebuild. No brainer, the bypass kit is the way to go and they ship so fast, even back ordered parts were only an extra 2 days. They stay on top and stand behind their products.

Just installed mine!!! Couldn't have been any easier!! Thank you Hewitt!! Instructions and photos were incredibly clear. I feel like I have a new truck!! You guys rock!!!

Customer service with Hewitt tech is second to none. These guys are the best.

Just finished this installation. It did the job. No warning lights and no limp mode, my truck is now running great. Thank you so much. 08 Sequoia.

Installed mine .on 2007 5.7 tundra took me about 2 hours,im 65 years old with bad knees and bad back got son inlaw to do back plugs,he had skinner arms

Installed a week ago and no more codes or limp mode on my 2008 5.7 w 187k. I was getting the P2443 codes for both banks - stuck closed. Took me a while to get the passenger plug undone, and the block off plates were easier than expected. Worth it!

I ordered the Gen II kit and was at my door in less than a week. I live in north western Canada. Thank you for the prompt shipping! Installed the unit today and it was a bit of a struggle to get the passenger side connection off but all in all very straight forward. Great video and instructions that came with your product. Thanks again from the Great White North.

My 2008 Toyota tundra was giving me trouble codes I called a local dealer and they told me it would cost me upwards of 4500$ so I started looking and I found the Gen2. I want to thank you I installed the Gen 2 and an add-on on Dec 22 and up to now it's been working great. it took me about 1 hour to do but I did have a little trouble with the blocking plates which I overcame. Thanks again

Put my Gen 1 kit on- 05 Toyota Sequoia- running better than ever. Very happy.

Completed this on my Tundra and couldn’t be happier!

I have had my bypass kit for my 2005 Tundra 4.7 for about 4 years now and it is still working great. I was having some issues with my truck that i could not figure out. I contacted Hewitt-Tech asking if maybe the issue could be with the kit. After checking it and found out it was in good working order they kept emailing me until i found the problem. They went above and beyond to help me. Awesome people that still care about others.

In response to a P2443 code, I installed Hewitt's Gen 2 Bypass Kit in my 2007 Tundra a couple of weeks ago and fixed the problem. Spray the bolts in the wheel well several times during the evening where you install the block plates and let them sit overnight, and loosened mine in the morning, no problem. And I'm in the rust belt and my truck is 16 years old. Regarding the two final electrical connections at the rear of the motor, Practice undoing on the new ones that comes with the kit, or practice on the one mounted on your air cleaner housing. Put a trouble light back there because if you can get a visual on it, it really helps. The drivers side is easier to access and depress, it's sitting right at the corner. If you have trouble depressing the clip, my thumb's kind of fat and wide so I taped a one inch long piece of very small dowelling up the centre of my thumb, a little piece of a twig off a tree would work fine. The passenger side, I threw a cushion down and climbed up there and I could barely see the clip past the wiring harness, but good enough to get a dental pick on it with my right hand, lift the locking clip just high enough to clear, and with my left hand in place and my fingertips just able to grab the connector, pull it apart...and Bob's your Uncle! Then hooking up the kit connectors is easy and away you go! Tech support is outstanding if you need help!

I just completed my 2010 Toyota Sequoia 5.7L. The product worked great! I found the video(s) most helpful as I'm an amateur mechanic. My son will be installing it for his 2007 Toyota Tundra 5.7L as well. Thank you!

I had to replace the passenger side pump on my 07 4.7 tundra a few years back. Cost me about $400 doing it myself. Didn’t know anything about Hewitt back then and didn’t know the problem could reoccur because of terrible design by Toyota. Got another code for a pressure sensor (p2438) this week and went into limp mode. Got the double sensor harness bypass and SAIS bypass (gen 1). Putting the harnesses on and fishing the starter relay took all of 10 minutes. The exhaust block off took about an hour just because of the tight space on the passenger pump. Cleared the codes and now it runs like a top. It’s a bummer a company like Hewitt had to fix a significant issue from Toyota…. Kudos to Hewitt. I highly recommend them if you have any problems with your SAIS or AIP…whatever the acronym is :)

Suggestion: Until you get the connector block off plug solution worked out, if you are just going to tape off that connector, pack it with dielectric grease first. That will make sure that no moisture forms inside and starts corroding it.

What an amazing product and company to work with. The GEN 2 kit is fool proof and very easy to install and works as advertised. 10/10 would recommend Hewitt to anyone.

Just installed my kit yesterday, very good customer service, instructions with pictures, and helpful videos too. They were not kidding about getting the clips off between the engine and firewall on the 5.7 L Everything else was easy, sprayed down the flange bolts a couple times 2 days before and they came off very easily. But the clips gave me some issues, ended up using tiny screw drivers to pry the clip up for removal. Good service and tech support overall!

I was planning to have a shop install this kit for me but when package arrived and I saw how in depth the instructions were (including color photos) I decided to do it myself. Overall was very easy, installing the block off plates on my Lexus gx 470 was the hardest part. Highly recommend Hewitt technologies

Something I did that seemed to help a bit was I took the driver side front tire off and lowered the entire front end so I could reach the back of the engine much easier. I then laid some floor mats across the top of the radiator and engine to be more comfortable

Mine has been on two years and working great!

I just completed installing this on my 2012 sequoia with the 5.7 engine. Gotta say the connection to the driver's side pump was extremely hard and did not go like the video. I found it helped removing the line he said but also i loosened the holders for the main wiring harness which was really hindering me from getting my hand on the clip. My clip was very hard to depress probably due to age. For the passenger side i used a picc and screwdriver to disconnect the wires. The picc raised the retaining clip and flat head pushed it off. The wifes little hand helped connect hewitts connection to the valve. I also got the caps installed (driver side was worst) and so far so good. No codes and shes running fine.

Put my Gen 2 kit on today. And 2007 Tundra 4.7 runs better than ever! Thanks alo Guys!!

Just completed the install on my 2008 5.7 Tundra. As advertised the Passenger Side plug is a bear. I used a hand mirror to visualize the plug and went from the front... just couldn't do it. Son in law has smaller hands and he did it in like 30 seconds. I believe Mr. Hewitt's small frame skinny arms tech in the video is on the passenger side in the demo for a reason lol! I had previously bought the competitors (Ruitech) unit and installed but it failed after a year and went again into limp mode. After emailing Tim (owner) he sent back that they didn't sell their units for 2008 5.7s as it would inevitably fail (his words). Maybe it was my mistake but I usually don't mess up with something like the year model on my truck... anyway I'm glad I finally went with the Gen II and pressure sensor and my truck is running great at 350K miles.

Just did this kit on my 2007 Tundra 4.7L, wow. shipping was super fast and the kit was really easy to install for me. I loved the instructions everything was described perfectly and the pictures were good quality. (I have more trouble understanding ikea instructions…) I called in just to ask a couple questions about the product and was instantly confident that this was the way to go, all in all truck is running great and had no issues after the install if anything I think it’s running better! Thanks Hewitt-Tech I’m a happy customer, Also thanks for the pen and light included in the box!

Just installed Gen II on my 2011 Tundra with 4.6L Engine. Took 2.5hrs. Rusted bolts under brackets holding AIDs slowed me way down. I sheared the heads off of 2 of them, can't believe those bolts extend into the wheel well exposed to salt. My bracket is held on with 1 bolt and a few attachments to wiring harness clips. Will need to get them drilled out in the future. Backoff plates required loosening all three 12mm bolts holding the ASVs on the engine block. Once the ASV is loose, you can open up a gap just big enough for the block off plates to install. First start of the engine was a success, we will see how this goes after a few cold overnights but so far...very impressed.

If there was a magic wand for SAIS repairs, it would be named after Hewitt Technologies. I installed the Gen-II SAIS Bypass and both Pressure Sensor Options (both PSOs due to a bad air switching valve on my 2008 Tundra 5.7L) and it wasn't that difficult with their detailed instructions. As soon as I started the truck the check engine light was off and out of limp mode!

Gen II installed on 06 Tundra after a lot of info from the Hewitt Tech. After install the issue was gone & passed emissions. Finally!

Just installed the gen-11 kit on a 2010 tundra, had replaced the switching valves with Dorman brand from Rock auto, one of them only lasted a week, installed the kit and still could not cancel one code, put old valves back in and all seems good. Pulling the intake is not a big deal if one has trouble getting at the switching valve connections.

On the 2008 5.7 , if you remove the wiring harness bracket on the firewall passenger side it gives you a little more Room for your hand. Other than that it’s all by feel. Just got mine installed and so far it works good

Toyota would not honor the warranty to replace the SAIS in my 2012 Tacoma 4.0L because it was Rebuilt, and wanted over $2k to fix it. I could have ordered the part and replaced it myself probably, but it still was going to be over $500, and this was going to be the first time fixing something with the engine myself. AND I read reviews that part goes bad every 10k miles or so in ‘12 Tacomas because of bad design, so I decided to take my chances with the SAIS Bypass kit instead. Yes, yes, and yes. It paid off. It was not easy for me to figure out where everything had to connect to (it took me several hours overall), but once figured out, you’ll realize it wasn’t that difficult. The exhaust plates that come with the package are identical, but I came to learn that one of the SAIS ports in my vehicle was modified because that side was where it was rebuilt. All I had to do was get a metal file and grind one of the plates down a little to make it fit, tighten it back on, done. With the 2012 model you also may not need to install the purple relay wire they give you, but just follow the directions included in the package, and Customer Support will let you know if that’s the case. They were as quick and helpful as advertised. If you have any questions or problems, just contact them however you like. I cleared the CEL codes by disconnecting the battery, and have been running it for over three weeks now. No limp-mode, starts beautifully, runs great. Saved me big $$$ and I never have to worry about the part again. Thank you!

Installed mine on a 4.6L tundra. Works fantastic!

I think you meant “drop a screw” and the nut goes on the back of the screw. Now ya know. Thank you for the video- i needed this!

Installed yesterday. Check engine went away right away. Finished the block off plates today. When doing the bypass module, only hard part was reaching back of engine. Used a mirror on handle to visualize where the plugs needed to go.

14:00 the wife and I just installed it tonight Codes are gone. Helpful tip to disconnect the passenger side connecter use a screwdriver go between the main wiring harness, and the motor push down on the clip comes right off 5 seconds unbelievable couldn’t believe it. I wish I would’ve done that to the driver side as that took like 20 minutes. 2007 Toyota tundra, 5.7 L. 478,000km

I snapped the bolts off on the manifold where the backing plate goes, bolts were easily drilled out . Not as hard as ya think, just get 2 foot 1/4 inch drill bit and some patience

Just ordered yout kit for my 2008 Sequoia. read through a lot of forums, so hope it works out.

Just got done with the install. It's gonna a take 500 tries for some of us to unplug the 2 wires behind the manifold but don't give up. It will work. Put on knee protection and go up over the engine and feel your way around the plug cause you can't see it and need to feel your way around it. *** the hardest part was separating the flanges to put in the blocking plate. I spent hours until I got a floor jack and jacked up the stick that was pushing on the stud. The trick was to have the middle of the stick backed into break/disk so when I jack it up it won't pop off or push the jack back. Use hard wood cause I pushed it almost to breaking point.

just installed mine on my '12 tacoma V6. easy and straight forward. Thanks

I have been trying to get the harness connections undone on the AVS for over an hour. The 1 hour install estimate is very optimistic, the passenger side is very difficult to reach if you have large hands. I’m probably going to have to remove and or move a lot more of the factory main wiring harness anchors to get at the bank 2 ASV connection.

I just installed the Bypass Module yesterday, probably took longer than it should but I was moving pretty slow. If you follow the video or even the directions included you should be able to do yourself. I sent an email with some questions only to get an actual response from Paul! Yep he gives a shi. about his product and your success with it.

Sweet GX470 in the background!

Paul when you found that corroded connection during the installation of the Gen 2 kit I can only imagine what it would have cost $$$$$ the owner of that vehicle after the mechanics changed both air pumps, the relay, any fuses etc; and everything else they could think of and still not have found the problem.

Wish y'all had a 4.7L gen 2 bypass install video.. looking to buy it soon for my 2007 4.7 tundra.

Just got p2440 code for bank one valve stuck open. Debating which is better to bypass or just replace both valves. Truck won't accelerate, filly. Is this OK to drive as well, no stalling issues? Just accelerating. 4.6 v8 2011 tundra

105,000 views and only 757 likes :( buddy has made a business on hacking cars. I'm getting this for my Tundra.

The kit came with the little block-off plates, when/why do I have to install those? This video makes it sound that I just have to 'plug and play' the unit and that's it.

I replaced the air injection pumps and injection valves in my 2008 Sequoia.. Still showing a code and still in limp mode. So frustrating after putting in all that work for nothing. I guess I'll have to get the bypass now.. can't imagine what else could be keeping it in limp mode. Code says sensors.

Everything went smoothly except unplugging the OEM connectors. Still having trouble getting it undone.

I just ordered one for my 2008 sequoia. I really hope this fixes my CEL. Can I remove the pumps after this is done? Are there any issues doing that?

This kit will make the P2443, P2438 and P2436 codes go away? Got a 08 tundra 4.0 v6

Will any of your kits still work on a Tundra that has had the ECU reflashed by the dealership?

Hey guys, 08 Toyota tundra 5.7 120k throwing P2442 code, truck in limp mode. I don't have to pass any emission test. Considering gen 2 kit but have one question, does it hurt the vehicle in any way to run it with the bypass kit installed? I was planning to keep this truck for a long time before this

Great video. Please I'm trying to do this on my 2008 tundra 4.7 liter. Do you have any video/ link on that? Thanks

I got the same problem with my tundra 4.0 L I wonder if there is a kit for my tundra v6

The damn plastic nipple securing my hose to my secondary air keeps breaking, not sure how. Will this unit bypass the use of the secondary so if it was to break there’d be no codes?

How long can this kits last before it fails to buy another one, or is it a life time kits that won't fail forever

Can I use the gen 1 on 2008 tundra 5.7 … or do I have use the gen 2

Yeah its fucjing hard to get the harness off the valves

Is that legal in California, will it pass the Smog Check?

How did you fit your hand behind the passenger side??? Its super tight back there and the harness is literally right over it. I was able to force my hand back there but then my hand was stuck and i hand no leverage to pull the connector off.

Does this fix the p0418 error on the 2012 tundra 5.7? If my state doesn’t do emissions so I think this would be an option?

I bought one it worked great for about 3 months, then it stopped working,I contacted the seller and they said that the kit only works with the oem valves. And tried to sale me the oem valves. Will update a little more detail info later on.

I just installed the gen 2 kit on a 2008 4.7 tundra i just picked up. Great instructions and worked like a charm! Only thing is I installed the block off plates at the air valve. Is that okay and can I take the air valves out all together

Hello, i have a 2008 Sequoia with code P2442. I was curious what the difference between Gen 1 and Gen 2 kits are and which one is needed for my truck? Thanks!

I have a 2012 sequoia ( 4x4 if that makes a difference ).. but I swear this 5.7 is configured differently, I’ve located the switching valves BUT where the connection leaves the valve it is then shielded in plastic with a bunch of other wires and I can NOT find where the other end of these connections go.. I’ve looked all over the place.. ( really hate to take off the manifold ).

Hi, I have a 2010 tundra 5.7 with a valve issue, do you have something for this??? thanks

would I need this kit or the first gen for my 05 4.7 Sequoia to eliminate all sensors and future codes?

I have a p2447 code on a 2007 Toyota Tundra. Do I just need the gen 2 bypass?

Where to buy this bypass

Installed mine nothing changed still has no power any suggestions

About to order one of these for my 07 Will this turn my check engine light off? What are the block off plates for?

How do I remove so I can pass my smog check. I failed last week

My truck is in the shop for this exact reason. $640 to replace the pump they think is bad. Another $400 something to replace the other if they guessed wrong. If switches need to be replaced it will cost another $1700. That's almost $3,000. Man I wish I would have found this video sooner. I told them to replace the one pump they think is bad before continuing but won't know till tomorrow. I have a feeling they are gonna string me along so I'll ask them if there's a way to bypass the system and see what they say. If they are on the up and up I'll let them do it. If not I'll be purchasing this kit and see how it goes. One question though. What does this do you fuel economy?

What are the top speed once on limp mode ? My Sequoia 08 doesn't wants to go over 80, is this the beginning for limp mode??

Will this work for codes p2438? For a 08 Seqouia

Question, would this fix both banks with one unit or are two separate units needed?? Please help out I’ve got codes p2443 and p2441, indicating both banks are stuck closed.

I'm an older gentleman than cannot do this myself. I bought the product, where can I take it to be fixed?

I have 07 tundra 5.7 which hook up do I need and I need it asap!?

does this help if I was given a P2442 code (valve stuck open bank 2)?

Is this going to help my Tundra Run better?? I smell bad combustion

Hey, I bought and installed the product on my 2010 tundra v8 4.6 and it worked great for a year or so. But now the lights are blinking again, and it is stuck in limp mode. It pulled the code P2442 stuck air injection pump. It also pulled a code for the 8 cylinder so I replaced the coil.