2002 Pontiac Grand Am Q&A

2002 Pontiac Grand Am Question: having issue with fuel consumption--using a lot more fuel than normal

any ideas where to check first? regular maintenance and changed the timing earlier this year just because the car was getting a lot of miles beginning noise car seems to have been running fine but noticed the last week or so that it is drinking gas --any ideas? parts need to be checked or changed? tune- up? -
Answer 1
scan for eng codes and ck fuel trim with scanner or get diag from your mech -