Bad plug?
Bad wire?
Bad piston or valve (do a compression test)
2006 Pontiac grand prix recurring number 4 cylinder misfire diagnostic code? What could it be?
Most commonly a bad plug or wire. If not that, then coil.
p0303 is cylinder #3 misfire
Cylinder number four misfire.
Cylinder #1 misfire.
misfire cylinder #5
Cylinder 1 Misfire Detected
Where is the starter on a 1998 Pontiac Grand Am, 6 cylinder
Give it a tune up. Change the spark plugs and wires..
The Pontiac Grand Am is more of a budget model, with a less powerful 4 cylinder engine and a shorter wheelbase. The Grand Prix is like a more deluxe Grand Am, with a more powerful 6 cylinder engine, and more room.
No...
you might wanna chage the plugs and wires. what other symptoms does the car have. i am having the same problem in my 2003 pontiac grand prix gt