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LT1-LT4 Modifications
New HOT start problem

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

New HOT start problem

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Old

Aug 22, 2005 | 09:51 AM

#1

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Launching!

Joined: Mar 2004

Posts: 299

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From: Elwood, IL

Question

New HOT start problem

I have never had this problem in the past until this year. When the car gets hot after close runs it won't start. It only cranks. After the car sits for a few minutes it starts right up. I have changed the coil, ignition control module and even redid the MSD wires. Nothing. The only thing I can think of is that it might be the opti. I changed to a vented unit this year. Any help would be appreciated.

Ken

Old

Aug 22, 2005 | 02:45 PM

#2

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Joined: Sep 2004

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From: Clarksville,Tn

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Check yer fuel pressure?? Might be the fuel pump going out.

Old

Aug 22, 2005 | 03:11 PM

#3

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Launching!

Joined: Mar 2004

Posts: 299

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From: Elwood, IL

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I did check cracking fuel pressure. It has about 40lbs with the vacuum line hooked up.

Ken

Old

Aug 22, 2005 | 05:48 PM

#4

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Joined: Sep 2004

Posts: 595

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From: Clarksville,Tn

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How cool does it have to get before it will start again?? The symptoms sound like the ICM but you've already replaced that. I've heard a few say that this is a symptom of a bad opti too.

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93, bbc, closed, hot, loop, lt1, problem, problems, start, starting, warm

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