2000 Cadillac DeVille Q&A

2000 Cadillac DeVille Question: i pulled a po107 code map/bar lowinput....ialreadyc allo2 sensor last year its w

here are the other codespo171bnk1 po174bnk2 -
Answer 1
vacuum leak -
Comment 1
wnt too auto zone maf sensor is bad because when all 5 codes pointed too 02 sensors mass air flow sensor is bad it never been change on vehicle it has 186-786.5 miles on engine... is the maf in side of the breather where the throttle body mates up with the air filter remember im the novice here.....lol!!!!! -
Comment 2
maybe there just doing there job find the vac leak! -
Answer 2
engine is lean due to probable vac leak, common between throttle body and intake -
Comment 1
i checked that too found no leakes . still baffel going too pull them tomorrow and really trace them down it really puzzeling because i took everything apart check and recheck...... same codes pop back up.... -