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Home >> Pontiac >> 1982 >> Bonneville V6-231 3.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> - Diagnosis By Symptom >> Detonation/Spark Knock/Pings

Detonation/Spark Knock/Pings


1. Low coolant level.
2. Loose water pump belt.
3. Faulty thermostat or improper application.
4. Restricted air flow through radiator.
5. Restricted water flow through radiator.
6. Improper EGR valve operation.