Honest to last peter👍 what dosent kill us makes us stronger! You are the man to get to the bottom of it. looking forward to part 3

Peter a brilliant video as always and so insightful. These Mazdas are a law unto their own - I'm flittering out the DPF for the 2nd time to get professionally flushed as I have a persistent ash and soot accumulation fault, tried flushing with Wynns off car DPF cleaner and used another on car spray DPF cleaner but alas still showing faults, so I know exactly the 'gutted' feeling when you think 'yep! - this is it!' but you know what they say...what doesn't kill us can only make us stronger...onto Part 3 ... I know you'll crack it 😀

Very impressed with how you pulled that camshaft out proper old school your a great mechanic Peter. We’ve all been there 100% certain we had a fix and the faulty parts clear for all to see only for the job to come back a lousy feeling indeed but you will get to the bottom of it and the customer will be happy looking forward to part 3👍

That tool you made worked really well, nice time saving tip. Looking forward to part 3, you are obviously really fair that you won't be charging any more.

Really good and honest content.Not to worry Peter,if there’s anyone who can sort it it’s yourself.Looking forward to part 3

Great videos mate; keep them coming. Many thanks.

Notting worse putting all that hard work into the car and thats happening. Strange the faults codes dident come up when you drove it. I hope its something simple 🙏 by the way love the way you showed all of the step by steps when doing the job another brilliant video cant wait for part 3

Thanks for sharing good work and great tips, now to watch part 3👍

The camshaft was clearly worn out and needed replacement so it was the logical thing to do. I'm guessing in this case you were probably dealing with a combination of multiple faulty sensors. I know it feels gut-wrenching but you did a stellar job. Thanks for the vid.

What a simple yet clever tool you made 👍 saved a lot of time there 👍

Mazda 6 is running great ,lucky I only had to replace timing chain and oil pump chain ,thanks for your help .

Nice video Peter. I feel your pain.

Great video very good detail & information brilliant timing tool that you made very impresive

It does make sence because I am engineer but the remedy is what I am looking for. It is happening random and has noting to do with enything. It just gives alarm that stays in the memory and sometimes goes out so fast that I can just get glipse of it. I have been in service and they have no clue. Once you find out for sure I will be there to see the Video. Thanks and keep up the good work Merry Christmas!

Like the idea to hold the sprocket in place good thinking.

Hey again sir, hope you've been well. Was just watching out of curiosity this time :) At 32:57, the reason I think your DPF pressure is higher and mass airflow is higher, is most likely because DPF regeneration probably started. By the way since I cleaned my EGR system, if you remember, I've driven total 15k miles. Also just couple of weeks ago, I drove to Hungary from UK and back, total did 4k miles. Car ran really well, on the way to Hungary I drove slowly, around 60mph, got 60mpg over 1350 miles. On the way back pushed 100mph in Germany for long stretches, in UK 80mph, no issued, but only got 45mpg, still not bad I guess. I had Forscan plugged in during the drive. In Germany, Oil temps got to 115c and Coolant to 105c. Was a hot day and quite mountainous driving. But car never complained. No error codes as such either, I had done a fresh oil change before going to Europe. But yeah anyways, due to the back roads in Austria and shitty roads in Hungary, my Stabilizer links are knackered, so need to change them. car is at total 145k Miles, and they were original parts, so they've done well. Anyways, have a good one and catch you in another video :D

Have not done EGR relearning . Will do😘

Brilliant video

Super job

Loves the videos mate thank fellow mechanic from dublin 😂 . I have this job a head of me . Rattling noise coming from top end would that be from the rocker arms

Geleraly I do not have mayor issues. Now and then had no tootle response when high speed traveling. You could not feel until you floor it . Only way I could notice was fuel consumption will stay low and call will struggle to pull. As i can see mayor problem was EGR valves actually one closeer to EGR cooler.

Hi Peter, love your videos and logical approach to fault finding. Did you have to do any resets after the cam shaft change? I changed mine, drove about 40km and then got the fault code "P1336 crankshaft / camshaft range performance" which implies that the cam chain is worn, but I checked with "Forscan" & proved the cam chain is not worn. Any ideas?

Hi Peter. Thanks to you I've now replaced the camshaft,4 rockers & 8 lifters,cleaned the ports & intake. runs a lot better & all the codes have gone. brilliant thanks for your input. The only thing that puzzles me now is that on tickover I get an unburnt fuel smell so I plugged my scanner in & the fuel injection timing was showing 208.305 degrees which seems a bit low. your input on this would be greatly appreciated

Hi Peter, great video as usual, I have a mazda 3 2.2 skyactive, it all of a sudden developed a misfire approximately every 200km with a unburnt diesel smoke, if I rev it to about 4000 rpm it clears until about another 200km there is no code's showing, we've changed the four injectors to no avail. I'm thinking Maybe worn camshaft?

Peter wondering if you can help a desperate man here!!! My wife's Mazda CX5 2.2 Sky Activ gives the P0101 fault but ONLY when you lift off the throttle around 2000rpm. So far I have tried replacing the MAF & MAP sensors, de-coking the inlet manifold and ports, replaced the vacuum pump, reset the PCM and everything else, upgraded the Exhaust pressure sensor and DPF sensor, unblocked the port to the exhaust sensor as well (it was totally blocked)...but none of these has helped at all. Have you any ideas please? Spent so much time and money and it's killing me 🙈 Thanks so much!

Love the vids as always. Dont know of any aftermarket cams eh?

Hi Peter. In your video you have mentioned car giving fault for city auto braking system. Now end then I get same warning light on starting the car and then is gone . What is it indicatin that can be connected to the engine?By the way great Video

Do you need to do some reset in the system after changing these components? Cheers for the video!

Hello Kennedy, what is the cost of replacing the camshaft? thanks

Hope I’m not putting you on a spot but how did you torque the cam nut doesn’t seem to be much room for a torque wrench

Have you any experience with these engines snapping the timing chain. Do they bend valves, turn the camshaft lobes etc??.

How do you find the mahle diagnostic .Is iit expensive ?

Hey mate, did you check the valves to make sure they move freely? As they seize up and will ruin the new camshaft and rockers again

Buen vídeo. Amigo busco los pares de apriete de bancada y biela de ese motor sh01 tendrás algo de eso

Real world video

i m really confused as i did exactly according tour video what is wrong do you think?

I have a 2014 mazda 6 sport 2.5 with p0101 code an the car is choking bad…i have cleaned the maf sensor and replaced it but still same issue an i cleaned the throttle body and map sensor but still same issue. Do you have any idea whats going on?

Hi i had to watch the last bit a few times as English is not first language, Did i understand right after replacing the cam problem didn't fix? This whole job was to fix P0101? SCBS error? Please reply me back when u can, im really interested in watching your videos and would like to know a bit more about it, Thanks

And just like that.... Voilà la camshaft is born. I would say that due to the high milage that many other factors like a dirty / tired maf sensor.. worn boost pressure sensor or even worn chain could be all contributing to the returning fault. Guess you have to set up under the bonnet data logging connections to various sensors and try capture the fault on a road test.

hi peter i follwed your video step by step changing the exhaust camshaft it spins half way and seems blocked so how should i proceed now,? my car is automatic i should say

i tried with a spanner on the camshaft ,how shpuld i spin it as the car is automatic?

I've built a 2.2 and those standard camshafts never last, a custom made camshaft has to be made and redesigned fully or your constantly gonna be replacing it.

How much are the rockers

Hi pal what causes low maf numbers. Mine at idle is 1.2 to 1 5 g/s

K eep going go and ckeck it again use your head you can finf the problem maby the vavum pump

It's a pain in the arse when this sorta of thing happens but all we can do is follow the clues and go with what seems logical. People think you put a diagnostic reader on the car and it gives you a detailed answer. In reality, it only gives you a direction to look in and even then it's often guessing game. I feel for you and the customer with this one but you're being more than fair and can only do your best. I've had similar issues, I recall blaming an ECU and sent it away to be fixed, came back as no fault found and £360 later, I discovered that it was a bad wire within the loom. Boy did I feel like a twat on that job but I fessed up and took it on the chin. ​ Good luck with this one and I look forward to the follow up video.