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'91 Civic starting trouble

09-02-2008, 11:15 PM
Hi folks,

My '91 Civic has a problem with starting when the engine is warm. It has no trouble starting on a cold day or even a summer day first thing in the morning when the engine has been dormant all night, but if I drive the car around for some time and the engine is warm and then I park it somewhere, say at a store, I can't start the car again for several minutes. The engine will turn over but won't start. I will have to sit for anywhere from 5 to 15 minutes and then it will get going again. Needless to say, this is much worse in summer because the engine gets (and stays) hotter much faster.

Any clues on what could be the problem?

09-04-2008, 10:16 PM
Might be main relay. That's what it was on my car.

11-28-2008, 12:03 AM
Replace the Ignition Control Module (ICM) and coil: (

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