Car runs rough

Asked by Snipes304 Apr 25, 2017 at 10:30 AM about the 1997 Pontiac Grand Am 2 Dr SE Coupe

Question type: Maintenance & Repair

My 97 Pontiac grand am 2.4 liter is running
rough I replaced the plugs,my rear o2 sensor
and one coil pack had it hooked up to
computer and I have cylinders 3,and 4
missing what can I do to get this problem
fixed tired of spending money and not
getting it taken care of.

1 Answer
40,025

beatupchevy answered 7 years ago

it only has one coil pack ? what about the plug wires ? what did the plugs look like when you replaced them , did you gap them or put them in right out of the package ? crappy gas ? did someone tamper with the gas ? look at the bottom of the oil fill cap and tell us what you see.

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