Why does my 1999 GTP engine keep sputtering?
Why does my 1999 GTP engine keep sputtering?
My 1999 GTP experienced the sputtering problem at 28,000 miles and it was the result of a defective wiring harness. I assume this to be very unusual but it can be the cause. Best of luck. 30 people found this helpful.
Why does my Pontiac Grand Prix not start?
26 people found this helpful. When your car starts fine cold, then fails to restart while warm, it is usually a coolant system problem. Either low coolant, or bad coolant level sensor. 26 people found this helpful.
What causes Trac off on a Pontiac Grand Prix?
The “Trac Off” failures are usually a wheel speed sensor which is off the BCM not the ECU. — It seems like it might be a flaky ECU but I’m just guessing. 10 people found this helpful. Have you checked the fuel pressure? Could be ECU as mentioned above or possibly dirty injectors or fuel pump.
What kind of engine does a 06 GP have?
I have an 06 gp base sedan 3.8 v6. @106000 we changed the trans filter ,every 3000 since we owned the car oil was changed.it suptters @30 mph to 70 mph we lost a price from the injector clip ….got a new harness …never a problem again. 9 people found this helpful.
My 1999 GTP experienced the sputtering problem at 28,000 miles and it was the result of a defective wiring harness. I assume this to be very unusual but it can be the cause. Best of luck. 30 people found this helpful.
Is the car engine still sputtering and shaking?
The same sputtering and shaking that you report. My engine had only 28,000 miles on it at that time and now has 122,518 miles and runs smoothly and produces a bunch of power. I still enjoy owning it. 31 people found this helpful.
What to do when your engine is sputtering and losing power?
Be sure to check the rubber boot connectors for the vacuum where it connects to fuel pressure regulator and at throttle body and trans. Mine were all cracked and leaking and not obvious. All of the damage was on the bottom out of sight. I moved them and there it was. Replaced them and problem solved.
Why does my 2000 Sunfire engine keep sputtering?
Same problems with 2000 sunfire replaced all the usual suspects plugs wires,tps,coils,idle sensor turned out to be ignition control module was gone once i replaced the module check engine light went off the car worked fine ever since. 3 people found this helpful.
Why is my car sputtering and losing power?
After changing spark plugs, coils and coil wiring, fuel lines and carrying out test to the fuel pump, relays and cleaning earth masses the problem continued.
Why does my car stutter on the freeway?
While traveling home on the freeway at 65mph the engine began to stutter, especially when trying to go up any type of grade. I slowed down to 50mph before the “stutter” went away. I had a similar problem while traveling in Florida.
