How high should a 1998 Pontiac Sunfire idle?

Answer In the 1998 Pontiac Sunfire, the idling speed should not exceed 800 to 1500 rpms. Idling speeds beyond this amount would clearly indicate a malfunction of the vehicle's fuel system.Source:Engine I... Read More »

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1998 Pontiac Sunfire Specifications?

The Pontiac Sunfire was introduced for the 1995 model year to replace the outgoing Sunbird model. This compact car was built on General Motors' J-body platform, which it shared with the Chevrolet C... Read More »

Overheating in a 1998 Pontiac Sunfire?

The Pontiac Sunfire was introduced in 1995; it was a compact car available as a sedan, coupe or convertible. During its existence, the Sunfire experienced various mechanical problems and received a... Read More »

How to Reset a 1998 Pontiac Sunfire IAC Valve?

The IAC (idle air control) valve in your Pontiac Sunfire controls the amount of air entering the throttle body to control the engine speed when the engine is at idle. The on-board computer opens th... Read More »

How to Troubleshoot a 1998 Pontiac Sunfire GT Coupe?

The 1998 Pontiac Sunfire GT Coupe is a compact car made by the Pontiac division of General Motors. Troubleshooting the '98 Sunfire is essential because there were a few problems with this model yea... Read More »