Car Problem Reports

Pontiac Grand Prix Check Engine Light Due to Oxygen Sensor Failure

Pontiac Grand Prix Problem
6 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 2004, 2005

Exhaust & Emissions Affected: 2.3L 4 Cylinder

Average Mileage: 112,000 mi (85,000 mi - 139,000 mi)


The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).

Ask a Question