There are a few causes:
Damaged or disconnected hoses (or component) from intake manifold.
Worn out intake manifold gasket.
Improper replacement of a part.
Cracked or damaged intake manifold.
I think I'd check for a loose, cracked or missing vacuum hose somewhere under the hood. FriPilot
i would go and contact the gm Pontiac dealer and they should be able to cring up and print you out a diagram free. cause asuna was made with Pontiac not chev so that's your best bet.
what causes a roaring sound in a 2004 pontiac sunfire after it warms up? it runs great and idles great and quiet except for this.Anonymously
A 1997 Pontiac Sunfire would have a voltage regulator and it would be found inside the alternator.
A whistling noise indicates a vacuum leak.
There are a few reasons that would cause your 2002 Pontiac back speakers to only work sometimes. The most common cause is a loose or corroded ground wire.
How is the ignition key switch replaced on the 2000 Pontiac Sunfire? And after replacing the switch would I have to have it Towed to the Pontiac Dealer in order to have the car key programed to the Computer?
yes,if the inner vacuum bladder is cracked it could cause a vacuum leak,this could cause a problem at idle also.
1996 Pontiac sunfire horn fuseIt would be named cig and will be the color blue on the fuse box.
first i would try the oil pan
In a 2004 Pontiac Sunfire, there are two oxygen sensors. One would be located in the exhaust before the catalytic converter. The other is located in the exhaust after the catalytic converter.
Don't know, would like to know.