Having problems with your Pontiac Sunfire ?

Pontiac 2000 rough idle engine light

\015 Went for an oil change and they replaced the air filter. Looks like they knocked off a purple wire under the hood now the car runs rough and the engine light is on??\015 Posted / edited by AnonymousUser on : 22-04-2019

Answers :

Depending on what year and model, you may be able to check the ECM for trouble codes yourself. Either way you need to know what the codes are.
My guess would be they disconnected the air temp sensor in the air filter box. Look for a sensor in the air filter or the hose going out to the front of the engine compartment that is missing a plug.
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