Quote:
Originally Posted by ainarssems
I second other member views about temp sensor an EGR valve. Temp sensors are known to go on VAG cars and are cheap enough to do as preventative maintenance or part of troubleshooting, not sure how easy access is on 4.2TDI.
Another cheap thing to do not mentioned yet is fuel filter and making sure all the fuel line joints are sealed properly and not leaking. After that you are getting in more expensive territory like injectors, but needs more investigation, looking at measuring blocks etc on VCDS.
Unfortunately cannot recommend any garage as I am not near London and I do pretty much all work on my cars myself anyway.
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I concur about temp sensors. Not saying it may be your culprit, but they're cheap and easy enough to change, depending on location.
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2010 A8 SE Executive 4.2 FSI D4
2007 Mini Cooper S R56
2008 D3, gone, but not forgotten after 9 years and 90k.
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