How to Fix Car Hesitation (Code P0171)

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How to Fix Car Hesitation (Code P0171)

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Күн бұрын

Car hesitation, Code P0171. How to fix car hesitation when accelerating by replacing leaking intake manifold gasket, DIY with Scotty Kilmer. How to fix intake manifold gasket leak. How to replace intake manifold gasket to stop leaking. DIY car repair with Scotty Kilmer, an auto mechanic for the last 46 years.
⬇️Things I used in this video:
1. Actron Scan Tool: amzn.to/2ngeCQJ
2. Carb Spray Cleaner: amzn.to/2jTU3ED
3. Ratchet and socket set: amzn.to/2inoxOY
4. Mechanic’s Tool Set: amzn.to/2Bzmccg
5. Screwdriver set: amzn.to/2jaHIfP
6. Disposable Gloves: amzn.to/2zSRuxO
7. Common Sense
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Пікірлер: 702

@scottykilmer 6 жыл бұрын

Things I used in this video: 1. Actron Scan Tool: amzn.to/2ngeCQJ 2. Carb Spray Cleaner: amzn.to/2jTU3ED 3. Ratchet and socket set: amzn.to/2inoxOY 4. Mechanic’s Tool Set: amzn.to/2Bzmccg 5. Screwdriver set: amzn.to/2jaHIfP 6. Disposable Gloves: amzn.to/2zSRuxO 7. Common Sense 8. Full HD Camera: amzn.to/2AvoEk7 9. My computer for editing / uploading: amzn.to/2i2sKYz 10. Video editing software: amzn.to/2jv5Fhf 11. Thumbnail software: amzn.to/2k7tz6C 🛠Check out my Garage to see what I use every day and highly recommend: www.amazon.com/shop/scottykilmer ❗️Check out the Scotty store: goo.gl/RwhRGU 👉Follow me on Instagram for the latest news, funnies, and exclusive info / pics: goo.gl/ohy2cA

@lastmanbreathing9319 6 жыл бұрын

scotty I wish you could help me out with my 2002 GMC Denali 6.0l idle rough I just cleaned the mass air flow sensor now waiting for it to dry and hope it fix it uuuurrrr

@nickh7121 5 жыл бұрын

Scotty, I notice you don't use sealant on the gasket...do you not need it for this ? Or did you do it off camera.

@victoriametheny9080 4 жыл бұрын

Scotty i have a question .....my 2002 pontiac sunfire se 2.2 liter engine. I was accelerating but it like hesitates like it doesnt wanna go im pushing gas little to push through it and it go like normal again .... Im learning as i go but i dont know why its doing this and engine light isnt on so idk what to do im changeing spark plugs now but i was wondering if youd have any advice on what could be the problem

@813_flacco Жыл бұрын

2016 nissan sentra sv engine like came on with the code P0171 (diagnostic trouble codes) and a most likely solution from power train system is to replace mass air flow sensor . @scottykilmer I need your suggestions

@HermannWolflEssert 10 жыл бұрын

The lobster isn't screaming, it just has a leaky gasket.

@deriklfixit 5 жыл бұрын

NOW THAT WAS FUNNNY!!

@ivankulya8291 5 жыл бұрын

I just put the intake manifold gasket without testing it with carb spray. Glad to find out that I was right, the old one was sitting flat and it was completely covered with dirty oil. Thanks Scotty for saving the day!

@diegogonzalez9086 6 жыл бұрын

Scotty, u r making me rich by all the money u r letting me save

@skeeter2112 8 жыл бұрын

Scotty you're the man! This is exactly what was wrong with my Toyota. Car back to running with much better mileage and power now. This was a huge help to a nagging problem! Thank you!

@DougHinVA 4 жыл бұрын

Corollas that are old have this problem a lot and mine did (a 2000 with 275K miles).. It's a job for a mobile mechanic unless you have skills and tools and can remember what to put back and where... I'll never do it again, so why not just pay a skilled guy a small fee to do it with my Fel-Pro gasket. ??

@TheKnightDrag0n 6 жыл бұрын

Damn experience is really something, you make umbolting parts from the engine look so easy.

@scottykilmer 10 жыл бұрын

Yes, another new Scotty video is up. Learn how to fix your car if it hesitates while accelerating.

@sheliadodson9275 10 жыл бұрын

Ha Scotty! Me again saw video,done that! Mu jeep problem is the powertrain,what can I do? There's recall for that been 5mths.,waiting.can I fix it myself if so PLEASE help(97 jeep grand Cherokee larado 6cly 4.0 )remember?

@randyfitz8310 10 жыл бұрын

New seal at the throttle body, too?

@MrYesees 10 жыл бұрын

Hey Scotty, I have a 1999 Pontiac grand am gt. I will be replacing the intake manifold gaskets but was told not to use OEM gaskets because they are made of a composite material. What are your thought on this and should I go with a Fel-pro PermaDry?

@scottykilmer 10 жыл бұрын

yes, felpro are better

@fisherwhite8238 10 жыл бұрын

***** ionly can say bad mechanic

@spelunkerd 10 жыл бұрын

I like it when you start with a very simple classification of the problem, too much air or not enough gas. But it's experience, knowing that on that engine the intake gaskets fail, that allows you to jump right to a definitive test. It's why the more challenging problems are more educational, since the veteran can't take shortcuts.

@marke.861 6 жыл бұрын

Mr. Scotty you just motivated me to do my DIY intake gasket replacement, you're now my guru :) keep being amazing sir! God bless you!

@chriscenatiempo4261 2 жыл бұрын

How'd you do haha

@armesisp3201 6 жыл бұрын

Just had this problem on my Escape V6, fixed it by changing 2 faulty ignition coils and all the 6 spark plugs, on top of that they also cleaned the MAF sensor and flushed out the air intake system. Now the car runs very well.

@northstar2007 10 жыл бұрын

Should also clean the throttle body and MAF while it's apart.

@datchulo1085 10 жыл бұрын

I think I can speak for everything in saying I appreciate your videos, your responses to our questions and advice you have given us . Thank you Scotty!!!

@scottykilmer 10 жыл бұрын

If you like my car help, be sure to watch my live car talk show every Saturday morning at 10 AM CST on KZfaq. I answer your car questions LIVE there. Just check it out at How To Ask A Live Mechanic Car Questions Free On KZfaq . And remember, every TUESDAY I upload a new video, so don’t miss them.

@terrychristle1477 6 жыл бұрын

Thanks Scotty. Kid home for weekend, car rough with this code. Tested, as per your video. $8 and 30 minutes later running smooth. He can now drive 4 hrs back to school! Thanks again

@lexusfan100 10 жыл бұрын

thats kinda kool way to check for leaks in gasket. did not know about that trick..thanks

@chrisc.c52 Жыл бұрын

When I saw your video the first time, I thought.... this is just another crazy guy on you tube.... after I finish seeing your videos, I realized how wrong I was and now in my opinion, you are one of the most Honest Nonsense mechanic in KZfaq. I really enjoy your videos and have learned a lot from them. Thank you & keep doing what you do....

@jeffreyvasquez2536 7 жыл бұрын

M respect to you scotty you, make me save tons of money by watching your videos.

@dinoBMXidiot 8 жыл бұрын

This helped ALOT ! My car was showing a P0171, So I jumped into youtube and saw this same clip, ran back to my car, did the spray cleaner test while the car was runing and indeed it afected the Idle and behavior of the engine while running. Now after, observing colsely, in my case , it wasnt exactly the mainfol gasked that was leaking in the air. It was acctualy the injector seal that wasn,t doing its job (i have a 2.3l ford escape2006 and the injectors are on the front of the head), and a replacement of the dount shaped little plastic pices made all of the difference. similar to what you demostrated here but slightly diferent area hat was not sealing properly. any way it was trough this test that i found what was happening to the car, so thanks Scotty.

@Fishy1221 10 жыл бұрын

Thanks so much ,now I know where to look next for why my cars a bit sluggish... For a topaz that's almost 30 years old I'd expect it may be the problem, I already flushed all the fliuds,changed all filters, cleaned out the throttle body,new idle control motor, throttle position sensor, and spark plugs and cables.I'm still learning all this stuff, really appreciate your videos. no one will teach me cuz I'm a girl so I have to teach myself and I have fun doing it ...can't wait to see what you post up next

@scottykilmer 10 жыл бұрын

@ParadoxdesignsOrg 10 жыл бұрын

if it were only this easy on all vehicles. spot on Scotty!

@1catbrains 7 жыл бұрын

Thank God for Scotty Kilmer!

@ScubaCat3 10 жыл бұрын

I had to do this on our 2002 Windstar. Just a tip to those of you who may attempt this - this video is exactly what you do, except if your intake has a coolant passage or two (you can tell by the coolant color around the hole), you must change the oil and filter before you crank the engine. Otherwise, you'll have some coolant in the crankcase which will destroy your engine bearings. As always, this is an awesome Scotty tip though -- those gaskets are cheap but paying a shop to do this simple task can cost a ton!

@GOPSpinMachineInOD 10 жыл бұрын

Great tip about spraying carb cleaner by gasket and listen for idle change! Probably an old trick but new to me, like using cheap cigar for vacuum leaks or spraying water on running belts to isolate noise..hehe I'd swap the throttle body nitrile gasket...my toyo one was well shrunk/rotted after 12 years.& likely leaking coolant into air intake..just for added fun!

@Motorsportsgeek 10 жыл бұрын

Nice the answer to my question lol , same car too , changed the intake manifold gasket and runs great , thx scotty

@acemanz888 10 жыл бұрын

where is the customary grunting noise when removing something?! i miss the "Uugh!" :D

@seans533 6 жыл бұрын

you are the man... gonna do this next paycheck... Got my codes read and found this video and low and behold this is my exact car so I have a feeling this might be the exact problem... Thanks again for a straight to the point video!

@girohead 3 жыл бұрын

Perfect, this was served up to me, after I cleaned my MAF sensor for the third time. I suspected it could be air cleaner (but cleaned that twice) or vac leak, but couldn't find anything. Now I have a backup plan if this last cleaning doesn't do, I've been hesitant to buy new MAF but others say they do go bad (just unlikely for Toyota). If the light returns (or might anyway) can of carb cleaner is ready. Thanks!

@Raindrops4891 4 жыл бұрын

i already know my car probably needs a new intake manifold gasket i just needed some scotty enthusiasm to get me goin. 1998 gtp

@urbanbotanicainc.6191 4 жыл бұрын

My Corolla 2000 has the code P0171. Used FixD scanner, changed valve cover gasket. Code cleared for about 5 days now it’s back. Might have to try the carb cleaner and clean my mass air flow sensor🤷🏽‍♂️

@kentbarger6974 4 жыл бұрын

Hey Scotty I would suggest letting people know to spray carburetor cleaner on a cold motor not a hot motor some people getting too much of a hurry and don't think and they may accidentally not realizing it because they're not mechanics and it is possible right person to spray flammable liquids to check for vacuum leaks so I would recommend letting everyone know to do this on a cold motor

@charlesmoore1621 Жыл бұрын

Thanks Scotty that was helpful I'm doing my manifold gasket today also just did my ignition coils it's a lot cheaper doing it yourself.

@GodsHerosGodsHeros 5 ай бұрын

Best mechanic and a veteran

@johwi97 10 жыл бұрын

Thanks for the tip. I have converted my -96 Ford from gas to E85 and not getting it to run 100%, fault p0171 keep comming up no matter what fuel pressure I adjusted it to. 3,5 bar was the most optimal. I did not think of the gasket, now I am checking that too!

@bojack2740 6 жыл бұрын

I like how you keep it real

@vilveyachke5103 7 жыл бұрын

I just had the same code on a 2.3L Ford Ranger. It was caused by a loose connection at the exhaust manifold.- the replaced Catalytic converter to the exhaust manifold. A friend had replaced my catalytic converter and had not tightened it up properly. Replaced the CAT again, and all is well.

@sc0tte1-416 10 жыл бұрын

Not that many people I know know that trick of testing for the leak..intake manifold cleaner works too if you don't have carb cleaner and doesn't leave oily residue :) If you can't find a leak, I've found spraying my MAF with electrical contact cleaner works well for the type without the wire

@octojoe 9 жыл бұрын

I fucking love mechanics who know what they're talking about,cheers for the vid man;]

@scottykilmer 9 жыл бұрын

If you like my car help, be sure to watch my live car talk show every Saturday morning at 10 AM CST on KZfaq. I answer your car questions LIVE there. Just check it out at kzfaq.info/get/bejne/jNWXoc2cvsexmps.html&feature=c4-overview . And remember, every TUESDAY I upload a new video on the scotty kilmer channel on KZfaq, kzfaq.info , so don’t miss them.

@jarettcatalano842 5 жыл бұрын

Fantastic video. Simple explanation and relevant video of each step. No fuss no muss. Perfect

@darthtrader1027 4 жыл бұрын

I just bought some mass airflow sensor cleaner... I'm gonna try that first and also change my air filter while I'm under the hood. Hope that does it... If not, this is my plan b.

@brochahotato4622 4 жыл бұрын

Boss Hogg did that work? Having the same issue w my 02 civic

@NRecob 10 жыл бұрын

As always, awesome video Scotty! Thanks for the great tip about spraying carb cleaner (!) on the intake manifold w/ engine running to listen for idle fluctuation--a brilliant time saver!!!

@frank_texas7400 6 жыл бұрын

I used everything...smoke, carb cleaner, gas, hell I even went to the trouble of buying a tactrix cable and software and learned how to tune(perfect excuse I wanted to get my hands into tuning without being yelled at by my wife) trough the tune fixed the problem i was still hearing that whistle sound so I used common sense since you cant see air i got a scope and found out that the pcv valve hose was loose, makes sense since oil wears rubber out, so i could have solved the issue with a 75 cents clamp but i got ahead and put an oil catch can (another excuse) runned some cleaners, re-tuned the car and now i am making money tuning Honda fan boys modifications and got a perfect smooth running car!

@plasmar1 6 жыл бұрын

thnx, just replaced the gaskets on mine just today; seems the leak was mostly happening in winter but was simple enough:P

@alekseygoltvanitsa8520 7 жыл бұрын

Much Thanks! You Did it again Scotty. Once again I saved money thanks to you.

@renodeify 10 жыл бұрын

Wow... you are a godsend, Scotty. Have the same engine and got that error code few months ago.

@michaeltester6174 8 жыл бұрын

Just FYI. Revised intake manifold gasket is actually red. There was a tsb for Toyota for this specific part. Wanted 300 dollars and 3 hour labour. I did it just under 7 dollars and 15 minutes!

@jackbrown3270 3 жыл бұрын

CHECK YOUR O2 SENSOR BY THE MANIFOLD!!!! that fixed my light even tho the code says to replace maf sensor

@ZacharyDoehler 4 жыл бұрын

Scotty is the freakin man.

@kingimmortalss 8 жыл бұрын

OK thank u I always watch your KZfaq channel it's helps a lot. tomorrow after work I'm going to get me maf cleaner and carbon cleaner to see if there's any leaks

@davidvalencia5061 4 жыл бұрын

You have saved me allot of money man. Thanks Scotty!!!

@2012alexg 10 жыл бұрын

My family has a 2004 Matrix. It's a great car!

@lasers33 2 жыл бұрын

My 03 Pontiac vibe looks exactly like this under the hood and have the same code. It idles rough and has low power. I also have a p0770 code for a transmission solenoid E

@kiddeft 7 жыл бұрын

Scotty, a few things, is it important to disconnect any electrical lines? I've seen demonstrations of this where people disconnect as many things as they can and others where they disconnect as little as possible. Do you need to disconnect the negative battery line after the job is done to reset the computer to take off the warning light or will that disappear on its own after awhile?

@808bigisland7 7 жыл бұрын

thank you SCOTTY! I think that's what my car needs.

@Michael-jv2cn 6 жыл бұрын

You make thing's look so easy.

@seanuptown3222 5 жыл бұрын

But, truly, you make very well edited, informative videos, I am a loyal subscriber,

@DJK-yt9mu 5 жыл бұрын

Thanks Scotty for all your help !

@ridesmajano4065 2 жыл бұрын

Scotty you are a criminal killing those lobsters

@TaylorGilmour 10 жыл бұрын

Great as always. Thanks Scotty!

@heroknaderi Жыл бұрын

Very helpful

@skylercolvin8119 10 жыл бұрын

The end with the lobster part was hilarious

@johnalbers6422 8 жыл бұрын

SIr, I'm having this exact same error code on this same model of car. I've replaced both the mass airflow sensor and the manifold intake lines. What now?

@yamiyo6050 4 жыл бұрын

John Albers fuel pump

@Bobcatspiritdude 4 жыл бұрын

Maybe fuel filter

@SB-cs2yv 2 жыл бұрын

I'm having this issue with my 2007 Toyota Camry. I'm hoping that my issue is the gasket because I'm excited to try this DIY and finally get my car back on the road. Next is figuring out if my AC has a leak (I hope that's all it is) so that I can get it fixed and not have to take it to the shop where they'd have to remove the entire dash. Oh and I don't have a lot of tools so if you could tell me which sized tools you used that would be great.

@mybackpocket 10 жыл бұрын

Makes it look do easy. Brilliant video

@luisjaneiro 10 жыл бұрын

Dear Sir, Thanks for all your vídeos. With your advices and lessons my garage tools gained new life and purpose.

@1divemaster1 10 жыл бұрын

Thanks cause you make things look so simple.

@roost24 8 жыл бұрын

Like your videos, but the wax in the Stingray badge drives me crazy.

@leadspitter98 6 жыл бұрын

it was the blue smoke that bothered me

@jothkell9173 Жыл бұрын

Thanks, always helpful to have vvti specific info

@PARzjan 10 жыл бұрын

Wow this is great! But what else do we check if the intake manifold gasket is not the problem?

@scottykilmer 10 жыл бұрын

many things, fuel pump pressure, low pressure does that, as does bad MAF sensor or clogged fuel injectors.

@Flanker84 10 жыл бұрын

Just as a tip. If you want to keep the gasket in place while you reassembly, put a little bit of RTV silicone where the gasket sits. It will save you a big PITA.

@scottykilmer 10 жыл бұрын

this gasket actually has nubs in it and it stays in place just by friction. If a flat gasket, sure, sealer is great as long as you wait for it to dry.

@Rickky1971 6 жыл бұрын

Scotty Rocks!!!! Love this guy!

@chewpaeng12 6 жыл бұрын

You make it looks so easy, just like frying eggs!

@jresperanza 10 жыл бұрын

hi scotty, nice video, just a question, if the throttle body needs periodic cleaning, should the intake manifold also be periodically cleaned? thank you!

@DtKnize 4 жыл бұрын

Hey Scotty, I had the same code on my 2004 Dodge Ram 1500 SLT 5.7 Hemi, I replaced bank #1 upstream O2 sensor, no help. Removed throttle body, cleaned, replaced bad gaskets. Found EGR valve bad, replaced. Started right up ran fine for awhile then code popped up for #5 fuel injector, replaced, runs great no codes!

@87RudedogG78 10 жыл бұрын

Awesome vid Scotty! Love your sign offs, they crack me up...

@mohammedal8805 10 жыл бұрын

I'm going to install it in my 2011 ford crown Victoria

@spaceghostpurpz4744 10 жыл бұрын

Thank you for the videos Scotty their such a help and I learn so much your the man bro

@MrLbnell2003 9 жыл бұрын

Thank you sir will try it. I also have a 2000 audi tt that backfired and would not turn back on. And a Saab that has a coolant leak I can't trace

@scottykilmer 9 жыл бұрын

man, you sure like money pit cars, those are 2 of the biggest ever made. check for blown off hoses and compression test the audi, and the Saab, either have it pressure tested or put UV leak dye into the coolant

@iLife64 10 жыл бұрын

THANK YOU SO MUCH FOR THIS VIDEO!!! I've replaced my PCV and have been cleaning my MAF and IAC with MAF cleaner but the error keeps coming up when I clear it... I'm going to just let a mechanic look at it because of the complexity of my 2000 Buick LeSabre.(took me a day to find out where the battery is!)

@bookoolicks2355 3 жыл бұрын

Did you ever get it going??

@iLife64 3 жыл бұрын

@@bookoolicks2355 7 years ago, I don’t even remember

@aqui7817 5 жыл бұрын

Thank Scotty you're the best....

@TheGamer-eh2uz 10 жыл бұрын

You are good at this Scotty.great video

@scottykilmer 10 жыл бұрын

@blacklightdreams6852 5 жыл бұрын

Ok but what if u have bank 1 and 2 system too lean. I've fixed the maf sensor. Fuel filter. Air filter. Cleaned iacv. Still idles low usually when I stop it wants to drop down to about 400rpm then goes back to 725rpm

@TheG21313 7 жыл бұрын

Scott is always working on a TOYOTA !

@DreDanSr 8 жыл бұрын

Cool Guy! I like the way he explains things!

@jimirsmith6247 3 жыл бұрын

Thanks. I wish you lived close so I could ask you for a star bit to get started tonight. And just saying - your volume is like really low and then, all of a sudden it blasts me off my chair. It's important the girl hears I'm working anyway

@BryanG830 4 ай бұрын

Great video but where can I find this on a 2001 Chevy? Cavalier 2.2 l. SFI

@Gears.and.Gadgets 6 жыл бұрын

Good video Scotty. Thank you for sharing

@michiganborn8303 10 жыл бұрын

Also get the same conditions of air/fuel being too much if you had code P0174. Same idea with the carb cleaner to find the leak but the fix maybe entirely different.

@IKhanNot 10 жыл бұрын

Great stuff as always.

@jakesnake_27 10 жыл бұрын

Great video Scotty!

@adamwoltz2228 7 жыл бұрын

for this code on my 03 accord was p0171 fuel pump but was not burned out just weak.

@ciprianvvf9 6 жыл бұрын

Nice video, Scotty!

@nizarhakam Жыл бұрын

My 2011 BMW 328i has a check engine light and both P0171 and P0174 codes. The mechanic said he did a smoke test but did not show a vacuum leak, and that the throttle body and intake manifold looked good. Replaced the MAF sensor but didn't solve it. The intake manifold gasket was also replaced. What are the common culprit(s) for this specific car?

@TravisL.Desmadreson 10 жыл бұрын

Keep up the good work. You rule.

@robertdelapina1332 2 жыл бұрын

thnx scott great video

@mrinsanitii 10 жыл бұрын

Thanks Scotty!

@DRbaby97 9 жыл бұрын

Scotty Kilmer Great Video!! Straight to the point! I have an 06 Lexus displaying same code. I would do it myself but what do I know I am just a girl :-( will definitely have one of my reliable and car savvy friends check this video out to apply this useful information. Tks again!

@elydiaz1031 5 жыл бұрын

Girls can do it too :) Their potential is unlimited! Hope the car issue is a simple one.

@JuanGonzalez-zw5zu 5 жыл бұрын

Good information

@petercamacho1462 10 жыл бұрын

Great help love how you make it so easy

@scottykilmer 10 жыл бұрын

@pablobasurto6764 9 жыл бұрын

Hey Scotty love your video's man they are very helpfull but my 96 mitsubishi galant s has a hesitation when acceleration and the pedal seems to be sticking its hard enouph to were it jurks when it becomes unstuck

@Liamautomechanic 10 жыл бұрын

good vid there scotty.

@scottykilmer 10 жыл бұрын

@norbertoelizalde765 6 жыл бұрын

ay podet en el nombre deJesus

@epicned3837 6 жыл бұрын

Hey Scotty, I'm having some car issues that are intermittent. I have a 2005 Ford Ranger 3.0 L v6. The other day my truck did something that didn't make sense. I was driving it and it seemed like it was getting power half of the time, then no power at all. It would cause my car to jerk violently while driving. I was able to make it to the mechanic immediately (one that I usually take it to). This same engine code, p0171 came up and they replaced my spark plugs, spark plug wires, fuel filter, and the MAF. They also smoked my vacuum lines to check for a vacuum leak. There wasn't one. I got my car back and it seemed to run fine for a couple weeks. Then all of a sudden, I took my truck on the highway at higher speeds. After about 20 minutes it started jerking again, but this time my truck completely died on the side of the road. It's in the shop yet again and the mechanics are puzzled right now. I'm not really sure what to do about this since every mechanic I talked to seems puzzled. Do you know what this could possibly be?

@epicned3837 6 жыл бұрын

I should also mention that it idles fine. Nothing wrong with the idle. They said I may or may not need new fuel injectors, but that can be an expensive job and I wouldn't want to go through with that and it ends up being that it still wasn't my fuel injectors.