Question about Pontiac Grand Am
Checked fuel pressure getting 42lbs. changed crank sensor. have compression in all cyls. no water in oil. changed oil. noticed a smell of gas in the oil but no thinning of oil. think that is due to all the cranking. then changed coil pack and plugs no change. did notice if i unplug injector wire and crank engine over and then re plug seems to run better for 30 to 35 sec.when i say better it still does not acelerate.knocks sounds im thinking that is due to fuel starvation could the pump indeterminately be failing .at one time i could hold at 1/8 of in inch and it would run rough and after 15 sec. would clear up still would not acelerate.also shows no codes. Thank you.
Your PSI is good on fuel. Not a pump problem. You should check vacuum to see if you have any issues there. Could be a number of sensor issues as well.
Posted on Feb 20, 2012
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Posted on Jan 02, 2017
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