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Home >> Oldsmobile >> 1990 >> Cutlass Calais Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Engine Backfires >> Symptom Definition >> Notes

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Symptom Definition: Notes

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

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