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Old 12-14-2015, 08:18 PM   #1
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Join Date: Dec 2015
Posts: 1
Default I need help

i recently bought a 02 VW Jetta gl with 200k miles, yes i know thats alot of miles but i have a check engine light i diagnose the car and i got these codes P0171, p0420 i change the mass airflow sensor i rest the codes and drive for a bit after that i got back a check engine light p0420 went away and it was only p0171 then after few days p0420 came back after that i did a live diagnostic i test the 02 sensor and everything so far on the car checks out good but i still have the codes i check for vacuum leak so far i don't see any but when i did the live diagnostic it show me fuel trim high and the air is low causing the system to be lean and the car idles rough and the exhaust smell like gas can someone help me
Mickonewell is offline  
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