3.0 TDI Engine Occasionally Jumping Between 1000-2000 RPM - Club Touareg Forums
 
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post #1 of 2 Old 05-21-2019 Thread Starter
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3.0 TDI Engine Occasionally Jumping Between 1000-2000 RPM

Hi all,

2014 Touareg TDI, USA, post "dieselgate" fix. 75k or so miles.

I've been noting an occasional loss of power in the 1200-1700 RPM range. It either drops down and then continues on or gets slightly jerky. the problem both happens and goes away in less than a 1 second period. For example, I'm accelerating from a stop light and between 1000 and 2000 RPM in first gear, then engine jumps several times within a 1-1.5 second period.

This doesn't happen every time -- perhaps once or twice in a 10 mile stop and go journey. No fault codes or check engine light. This only seems to happen when the car is in gear -- if I rev the engine to 2k RPM in neutral it's smooth as glass. We recently moved right before this started (coincidentally got the diesel fix completed at the same time) and I suppose diesel quality in our new location could be a factor, but this really is just a guess.

Anything anyone here would check? I had the thought of cleaning the MAF and perhaps having a new fuel filter installed even though I'm a tad early, but to be honest, **I'm definitely not a mechanic** so this may not even be worth looking into. It isn't consistent and doesn't happen every time so I'm guessing it isn't a hose...

The dealer has basically said if there is no check engine light, they've got nothing they can do (which I get, but they've not even driven the vehicle other than to the service bay and back).

Thanks in advance,
DP
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post #2 of 2 Old 3 Weeks Ago
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Touareg: 2015 V6 TDI
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My 2015 TDI Lux does the same thing, there is a TCM upgrade that reverts the shifting points to prefix levels that I'm going to try.
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