What would cause smoke under the hood of my' 02 grand prix se after changing the alternator. Also, the rpm jumps to 4 then goes back down over and over.

What would cause smoke under the hood of my' 02 grand prix se after changing the alternator. Also, the rpm jumps to 4 then goes back down over and over. 2 Answers

my pontiac grand prix 2001 check engine light came on. i checked the codes and the coils came up. i tried testing the coils myself with a small vacuum hose a a light tester to see if i was getting the right amount of spark and all of a sudden my car turns on but shuts off immediately after its been turned over. what could be my problem? please help 1 Answer

my pontiac grand prix 2001 check engine light came on. i checked the codes and the coils came up. i tried testing the coils myself with a small vacuum hose and a light tester to see if i was getting...

what would cause the car to cut out and rpm gauge go to 0 then back up again? 2 Answers

This doesn't happen all the time, just a fter the car has been running for 30 minutes or so.

I have a 2008 pontiac grand prix. Water over heats into the resivor after we drive the car the car.when its parked. But the temperature is in the safe zone when we drive it. What could cause this? Head gasket? 3 Answers

Only over heats when we park it, after driving for a shot distance. But temperature is nornmal when we driving it. Changed the water pump

what could be causing the back of the engine to smoke after a flush. 1 Answer

I flush my system because my heat stop working every since i flush my heatcore system my engine had been burning at the back of it everytime i crank it The back of my engine is running hot now so i...