Rough idle intermittently
Asked by Kevin Feb 15, 2017 at 02:01 AM about the 1998 Pontiac Grand Am 4 Dr SE Sedan
Question type: Maintenance & Repair
I have a 1998 grand am that will
suddenly start idling rough now and
then , if I can gun it in neutral it
jumps to 4000 rpm then slowly goes
back to normal , no check engine
light
4 Answers
Been quite a while , I don't know why it shows no codes , the check engine light does work to
It's going to the shop tomorrow. I will let you know what they find
Took the car in told them to do an engine diagnosis , they said it needs mass air flow sensor , spark plugs , water pump , the dealer charged $207 just for diagnosis and said labor and parts would be $1200 , water pump alone would have been $900 , this was at the dealer , I know a mechanic that said would charge $500 less , dealers are a rip off