Question about 2003 Pontiac Sunfire
Sounds like a mass air flow problem. It's located somewhere between the air filter and intake, but usually right after the air filter box.
Check to see that the big rubber hose there isn't cracked or ripped, check to see if the mass air flow wires aren't frayed or broken or disconnected.
Start with that, and ur check engine light must be on as well.
Posted on Sep 08, 2008
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