Spark knock
Clay Miner
12-04-2003, 10:24 AM
I have a 1994 Cadillac Deville, 4.9 engine, that has a severe spark knock.
After it sits all night, for example, I can drive it for a mile or so and there is no knock, runs fine. It will then start knocking and it sounds like a diesel engine.Any suggestions as to problem how to eliminate problem.
After it sits all night, for example, I can drive it for a mile or so and there is no knock, runs fine. It will then start knocking and it sounds like a diesel engine.Any suggestions as to problem how to eliminate problem.
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