Question about 2001 Volkswagen Jetta TDI
My scanguage !! reads 2 codes on a CEL, p3131, and p0101. How do I know how to decode these? Thanks
Hello mark...according to the manual for Volkswagen Engine and Transmission Codes...
P0101 Mass or volume air flow circuit performance problem
P3131 Exhaust Gas Recirculation (EGR) System Control Limit Exceeded
Dirt and carbon build up will cause this in some cases. You might try removing and cleaning the MAF sensor with an electrical contact cleaner first. You will still need to clear the error codes with VAG-COM and see if they return.
Good luck...i hope this helps.
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Posted on Jan 02, 2017
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