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You probably have after-ignition, usually caused by operating with dirty fuel. The way a mechanic explained it to me is that there is (very small) debris in the cylinder, on the piston. When you hav edriven enough that the engine gets to a good tempertature and turn the engine off, the debris (if it's large enough) is red hot and causes any small amount of fuel to ignite, thus causing the piston to go down, thus causing more gas to come in to the next piston ready to fire, debris is hot, and it just goes on and on. Seek the advice of a knowledgeable mechanic or get Chilton's mechanic repair book and check the trouble-shooting section. In short, my opinion? bad gas, my friend. Change gas stations.
What else can I help you with?
Engine oil capacity 2001 Pontiac firebird?
About 4 and a half quarts
Which 2001-2005 Pontiac was made in Mexico?
Firebird?
Does a 2001 firebird have a drive line or front wheel drive?
A 2001 Pontiac Firebird is a rear wheel drive vehicle
How do you change the EGR valve in a 2001 Pontiac Firebird with a 3.8L V6 engine?
the two bolts, one on each side of the egr valve.
Can you put a 2001 Pontiac Montana transmission into a 1996 Pontiac firebird?
NO! the Montana is a front wheel drive minivan and the firebird is a rear wheel drive, even if they were both rear wheel drive for some reason, the firebird engine would shred the wimpy minivan trans and it would be just wrong to put a minivan trans in a firebird.
Where is the fuel pressure regulator located on 2001 Pontiac Firebird 3.8 V6?
On a 2001 Pontiac Firebird with a 3.8 V6 engine, the fuel pressure regulator is typically located on the fuel rail, which is near the top of the engine. It is attached to the fuel rail and can usually be identified by the vacuum line connected to it. Accessing it may require removing the engine cover or other components for better visibility and reach.
How many gallons does a gas tank hold on a 2001 Pontiac Firebird?
16.8
What is the MPG rating of the 2001 Pontiac Firebird V6 have?
19 City 31 Highway
How do you replace 2001 Pontiac Firebird power window motor?
This site has a step by step guide for an older Firebird, but it is identical to what you need for a 2001. http://shbox.com/page/windowmotor.html
How do you lower the idle on a 2001 Pontiac firebird?
Turn the key to the run position, pul l the pcm ign and pcm batt fuses from the fuse blocks under the hood. Turn the ignition key to the off position and then reinstall the fuses. It will take about 75 miles for the computer to relearn but that should lower the engine idle.
What is the firing order for a 2001 Pontiac firebird v6?
1-6-5-4-3-2
Why would a 2001 pontiac grand am turn over but not start?
Check the 2001 Grand Ams crank shaft position sensor first. If the sensor is bad then the engine will not get fire or start.
