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Hi! I have a s4 b5 that have 17938 faultcode..
Tested whit "new" used sensors (4 diffrent) and same fault.. If i unplug tensjoner car runs smoother but not 100%...
tested whit another ECU. Same storry.
canged tensjoners, chain, gaskets, wiringharness, MAF,fuelpump... and mutch more!!
checked for short to ground in harnes. Nothing. Smokes like a damn diesel truck😅
have the code, and pic of the tensjoner on bank 1. Timing is ok.
08-15-2021, 10:03 AM
1998 s4 b5 avant Faultcode 17938
