Question about Cars & Trucks
Could be a few things , injector leaking or defect spray, carbon build up on inlet valves resticking air flow and over rich mixture.
Posted on May 03, 2019
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Posted on Jan 02, 2017
SOURCE: mk3 mondeo,diesel,lack of power
try your MAF which is on the intake pipe with the black box that is screwed down the sensor gets dirty and doesnt read as it should.There is a how to remove and clean on utube with an older mondeo try that
Posted on Apr 24, 2009
Sounds like your injection pump timing is off, an injector is leaking or a bad seal on your IP.
VW dealers have a horrible reputation when it comes to TDI's. Check out the posts over at www.tdiclub.com Those guys are very knowledgeable - and the first thing they'll tell you is don't take it to a dealer.
You can probably find someone in your area that has a copy of Vag-Com (scantool software that vw uses) software that could look at your timing. It definitely sounds like your dealer was throwing parts at your car because they didn't know what your problem is. If I were you, I'd copy and paste your post from here over at www.tdiclub.com
Posted on Jul 21, 2009
i had this problem and thought the fuel filter oil filter needed replacing so i have just had a service done but problem is still there but not as bad. been told it could be the AGR valve or a split pipe going to it which recuirculates unused fuel back to burn again. therefore unspent fuel is coming out of the exhaust causing the black smoke. i am still looking for the answer aswell, hope this helps.
Posted on Feb 15, 2010
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