If your 2004 Pontiac Sunfire 2.2L shows engine misfires or a no-start condition, the PCM may be the culprit. Follow safety cautions and learn how to replace and program the unit.

2005 Pontiac Sunfire with stalling, no-start, or module trouble codes? Learn PCM/ECM failure signs, replacement steps, and factory reprogramming requirements to restore performance.

Diagnose and replace the PCM on your 2003 Pontiac Sunfire. Learn about module failure symptoms, installation steps, reprogramming requirements, and common fault codes that trigger replacement.

If your 2001 Pontiac Sunfire shows no‑start or erratic idle, a PCM issue may be to blame. Follow cautions to avoid damage and learn how a proper relearn restores performance.

If your 2000 Pontiac Sunfire shows no‑start or stalling, beware of PCM handling cautions; proper relearn restores engine control.

If your 1999 Pontiac Sunfire shows neutral flare, RPM surge, or a Service Engine Soon light, caution against ESD damage when working on the PCM and follow proper re‑programming steps to restore reliable engine control.

If your 1998 Pontiac Sunfire shows idle flare, missing upshifts or a Service Engine Soon light, caution is needed when working on the PCM. Proper handling prevents damage and restores engine control.

1997 Pontiac Sunfire with no-start, stalling, or shifting issues may need a PCM replacement. Learn symptoms, labor time, and programming cautions for this 2.2L model.

1996 Pontiac Sunfire with stalling, no-start, or shifting problems may need a PCM replacement. Learn symptoms, labor time, and factory cautions for this 2.2L model.