LEMON Manuals: Even more car manuals for everyone
Home >> Pontiac >> 1990 >> Sunbird LE, 2D Convertible, 2.0 M, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Engine Backfires >> Symptom Definition >> Notes

Symptom Definition: Notes

Fuel ignites in intake manifold or in exhaust system making a loud popping noise.