Loss of Power and misfire at 3000 RPM Nissan X-trail remapped EGR and DPF delete

I normally run away from vehicles like this but I made an exception this time to help another mechanic fellow friend of mine. The story of the car is after a clutch job the vehicle misfired at 3000 rpm , after paying a visit to various garages they had a guy remapping the vehicle to get rid of the fault on the cluster plus a EGR and DPF delete. When the car was brought to me I could confirm that it was indeed misfiring at 3000 rpm which was what my friend was chasing but after a test drive it was quite obvious that the turbo wasn't really working ....
End of the original video • Remaining video Loss o...
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[@CarsExposed]

I had a problem with the rendering of the video , the last 2 minutes is here czcams.com/video/rcI3pvfXPjc/video.html

[@the_retired_mechanic]

If you has put 2 test lights one on each side of the solenoid each to ground you would see 1 stay lit all the time and when the solenoid fails if the other light goes out its a bad coil. If it stays on then its lost ability to create vacuum therfore mechanical. Could also run a temporary wire from the solenoid to the computer pin and this would eliminate a breaking down cable if still plays up.

[@CarsExposed]

👍👍👍

[@davidwaters5348]

Take it the test light that goes to ground should go on and off as you rev the car ?

[@kevinpalmer7452]

Well done you were a brave man taking that job on bit of a Pandora’s box.

[@CarsExposed]

Tell me about mate I’m so glad it’s fixed tho

[@lajosbertok3453]

Hi! Although my xtrail also produces this symptom. I have already replaced the MAP and MAF sensors as well as the vacuum solenoid valve in the video. The EGR is cleaned, the geometry of the turbo moves nicely. There is no error code, but the problem persists.

[@JohnnysSpeedShop]

Nice work mate..... you couldn't hear me but I was screaming for you to flip the multimeter 180 degrees 🤣🤣🤣🤣

[@CarsExposed]

🤣🤣🤣🤣 I’m must omit when I was watching it back yesterday morning my ocd kicked in 🤣🤣🤣👍

[@TheMauserBoy]

have the same problem, I also changed selenoid and hoses, didn't fix the problem

[@adrianVasile-vp1bf]

hello, I have a similar Nissan but it gives me a headache, no one knows what the problem is P0611, I tried to rewrite the injectors but without success after the rewriting procedure, the codes appear AAAAAAA and they don't synchronize more than 1500 R/P, different people checked it people and different brands of diagnostics but without excuses

[@gogogoslic8464]

I have missfire on 3000 rpm in driving on 320d 2007year, power is good

[@125sm3]

Wow, what a head scratch of an issue.

[@CarsExposed]

Oh yeah man always fun when you get a car that messed up 😩👍

[@viswanath786]

Bro I'm mechanic my xtrail t31 diesel vehicle acceleration time jerking but idle time no jerking.. how to find complaint ....

[@GrampiesWorkshop]

Hello there Igor!!! Wow what a mess this car is eh. How do you know what is true with the mapping changed and parts disabled. Good job tracking it down though. Awesome work. Take care!!!

[@CarsExposed]

That's it Mike that was the biggest issue here for me , I don't want to see this car anytime soon put it that way Glad i found the issue int he end tho 😊👍

[@davidmuriithi2730]

😢😢 I'm in the same situation 😢

[@edwinalexander1170]

What can you say??? Are the Nissan Xtrail T31 cars not nice ???? Or too much problems????

[@gazby2238]

Just a excuse to rev the car hehe nah good video I'll sub

[@WalshEBoY]

Is it not keyless ? Mine is.

[@zzhughesd]

Never been a fan of X-Trail DCi, the 2.2's

[@CarsExposed]

👍

[@zzhughesd]

Abrupt end, did it fix it

[@CarsExposed]

I had a problem with the rendering of the video but only realised yesterday morning, I was away yesterday all day so couldn’t get it sorted , here is the link to the final couple of minutes czcams.com/video/rcI3pvfXPjc/video.html

[@simonedwards5401]

Is mass air flow sensor ok

[@CarsExposed]

Seemed ok 👍

[@rubybuby3232]

You shouldn't throttle diesel just after ignition. It's diesel. Not petrol lol man!

[@va7052]

Im sure its not fixed.

[@CarsExposed]

Why not ? Well I’m 100% sure it’s fixed…👍