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91 Pontiac Grand Prix GTP 3.4L Wont Start?
I have a 91 Grand Prix GTP with the 3.4L and was driving it the other day and got on the gas a little and then it just died! The motor cranks over but doesn't start the tach doesn't go up when you crank it like it should either! The spark plugs do have spark and i went ahead and replaced the Crank Shaft Sensor and it didn't help. Also, I replaced the fuel pump, ignition module, and coils, plugs and wires, alternator and battery a few months before! If anyone has any ideas on what could be wrong it would be greatly appreciated!!! Thanks
3 Answers
- Anonymous1 decade agoFavorite Answer
- Mark SLv 61 decade ago
Take off the oil filler cap and look in at the rocker arms with a flashlight - have someone crank the engine over - are the rockers moving? If not, the timing belt has broken.
- Anonymous1 decade ago
Well if it's getting spark, it's a fuel problem. Did you check the carburetor? Also, your distributor might not be functioning properly. Those are a couple things I would check out.
