Detonaton/Spark Knock

WARNING: This page is about a different variant/trim than selected.

Test for an engine overheating condition. Refer to Symptoms - Engine Cooling .
Verify that the engine coolant temperature (ECT) has not shifted in value. Refer to Temperature Versus Resistance .
If there are no engine mechanical faults, fill the fuel tank with a known high quality fuel that meets the vehicle minimum octane requirements.