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Cold 'No Start' Theory 700

I doubt the starting issue is caused by cylinder wear and compression.

Is the fuel pump check valve working?

Is the resistance reading of the Coolant Temperature Sensor within spec? Check it from the ECU.

I don't think a hotter spark plug will help at all on cold starts since the plug will be cold then.

You could also have a bad AMM. Have you set the Basic Idle Speed and Mixture?
--
john






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