what causes the exhaust to spit and sputter while it is idleing/

Asked by Nov 25, 2013 at 01:59 PM about the Pontiac Grand Am

Question type: Maintenance & Repair

1 Answer

4,235

It usually means one or more cylinders are not firing properly or consistently. Look into changing ignition parts to resolve (plugs, wires, rotor, dist cap, etc.). Not as likely but also possible is the fuel delivery if it is an injected engine.

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