1995 Not cranking after starting cold.

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Jul 18, 2023 | 09:58 AM

Sunny6

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From: Woodstock GA

1995 Not cranking after starting cold.

1995 after starting in morning running to store runs fine. After turning off Will not crank turns over try's to start then nothing. Next day will start sometimes after cold but with stumble. Suggestions? Opti spark, Modulator ECM? Fuel pressure good.

Thanks Sunny6

Jul 18, 2023 | 10:16 AM

Tom400CFI

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From: Park City Utah

When it cranks but won't fire/start, what is missing? Spark or fuel? I would start by getting the car warmed up to where it won't start, then have a partner help you ascertain if it has spark, at that point.

Jul 19, 2023 | 08:14 PM

Sunny6

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From: Woodstock GA

Fuel is good pressure seems like spark is issue. Opti is always a question, and it is relatively new 4 yrs.?
Where should i check next electrically?

Jul 19, 2023 | 08:17 PM

Sunny6

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From: Woodstock GA

It finally started after sitting overnight ran an hour. Turned off and would not crank back. engine spun but seemed no spark.

Jul 19, 2023 | 09:41 PM

Tom400CFI

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From: Park City Utah

You need to confirm "no spark".

Jul 21, 2023 | 06:19 PM

Sunny6

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From: Woodstock GA

After further review it ended up being the coil. Problem solved. The old one {original} was riveted on and had to be cut off. New one came with bolts.
Thanks for input.

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