2007 2T Unsolvable white smoke, lack of acceleration, etc
11-15-2015, 12:26 PM
#31
White smoke and lossing coolant may be blown head gasket
Recently I've been noticing that my coolant level has decreased, but not much. My exhaust seems to exhale this white cloud of smoke when I accelerate at High RPM only, but disappears quickly. Then this burning smell comes. My car also jitters a little when I accelerate over 2000 RPM. Someone told me that my O-rings need to be replaced? Can that be the problem? or maybe a new head gasket? My car has 80K on it.
https://www.audiworld.com/forums/30v...te-up-2851720/
Good luck.
08-11-2017, 08:54 AM
#32
2007 A4 2.0T - heavy exhaust smoke - No CEL
No CEL on the car but after only making right turns and speeding up through 3rd gear, loss of power and huge smoke screen....also throws smoke screens under load (uphill). Already replaced the PCV---any ideas? Would CEL show if it was turbo leak? There's no whining noise from turbo either....Help!
08-11-2017, 11:33 AM
#33
No CEL on the car but after only making right turns and speeding up through 3rd gear, loss of power and huge smoke screen....also throws smoke screens under load (uphill). Already replaced the PCV---any ideas? Would CEL show if it was turbo leak? There's no whining noise from turbo either....Help!
08-11-2017, 11:54 AM
#34
2007 2.0T Unsolvable white smoke, lack of acceleration, etc.
Thanks for the reply....I had bought and installed a valve cover for this problem and after installing, it was worse than my original....read there's a chamber from PVC to other side that should not leak when blowing through it..unsure if it would expand under heat??? The one i installed wound up with air coming oit of crack. Returned for full refund. Worth a try to buy another?
08-11-2017, 01:49 PM
#35
Thanks for the reply....I had bought and installed a valve cover for this problem and after installing, it was worse than my original....read there's a chamber from PVC to other side that should not leak when blowing through it..unsure if it would expand under heat??? The one i installed wound up with air coming oit of crack. Returned for full refund. Worth a try to buy another?
08-11-2017, 03:04 PM
#36
2007 2.0T Unsolvable white smoke, lack of acceleration, etc.
I bought the valve cover new, but cheap. Get what you pay for....any recommendations on a reputable parts dealer would be appreciated! Thanks for your feedback!
08-11-2017, 04:14 PM
#37
I've always had success with ECS Tuning. Here's a link: https://www.ecstuning.com/b-genuine-volkswagen-audi-parts/valve-cover/06d103469n/?gclid=EAIaIQobChMI3sHwyLTQ1QIVlIJpCh2ozANXEAQYASA BEgKQYfD_BwE
11-18-2021, 06:01 AM
#38
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How does oil get into turbo due to cracked valve cover or leaking valve cover gasket? Just looking for explanation. Does failed diverter valve cause oil issue or just lost of boost alone? I have a 2007 A4 2.0T, loss of boost with smoke in exhaust. Trying to diagnose and do all repair work myself. Thanks in advance.
11-18-2021, 01:11 PM
#39
How does oil get into turbo due to cracked valve cover or leaking valve cover gasket? Just looking for explanation. Does failed diverter valve cause oil issue or just lost of boost alone? I have a 2007 A4 2.0T, loss of boost with smoke in exhaust. Trying to diagnose and do all repair work myself. Thanks in advance.
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