How to Reset a 1998 Pontiac Sunfire IAC Valve?

Answer 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 »

Top Q&A For: How to Reset a 1998 Pontiac Sunfire IAC Valve

How to Reset the Gauges in a 1998 Pontiac Sunfire?

The 1998 Pontiac Sunfire uses the second version of on-board diagnostics (OBD-II), as do all cars made after the 1996 model year. The Sunfire's warning lights and gauges are triggered by the car's ... 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 »

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 »

How high should a 1998 Pontiac Sunfire idle?

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 »