good cold but bad warm - Team Camaro Tech
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post #1 of 7 (permalink) Old Jan 7th, 01, 02:41 PM Thread Starter
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okay guys, I'm puzzled.
My car runs perfect as it's warming up but once the engine is warm it then starts to miss and run really poorly until it reaches upper rpm's around 3000 and then it smooths out again. I have no idea what it is. The choke is open all the way so it's not that. Could my carb just be dirty? Any suggetions guys??

Thanks -Tim
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post #2 of 7 (permalink) Old Jan 7th, 01, 03:15 PM
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First thought would be a vacuum leak or a real lean-adjusted carb; the choke being closed would richen things up to make it run much better.

The second thing would be to check electrical items; coil, HEI or ignition module, etc. Sometimes these fail under heat but will work properly when cool.

Jody
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post #3 of 7 (permalink) Old Jan 7th, 01, 03:47 PM Thread Starter
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this condition just started. It was running great a couple days ago and now ever since I started the car on a cold day it's been like this. I've heard it may be my condenser. I have the stock dist and all. I'll check all connections and such tomorrow. Any other ideas?

thanks-Tim
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post #4 of 7 (permalink) Old Jan 7th, 01, 07:28 PM
 
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did you check your plugs or wires??
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post #5 of 7 (permalink) Old Jan 7th, 01, 08:03 PM Thread Starter
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the plug wires are brand new and they are all securly in attached. The plugs seem to be okay, they are all a tan color. They have been in the motor for about 1500 miles though. They should still be good right? Keep the ideas coming

thanks-Tim
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post #6 of 7 (permalink) Old Jan 8th, 01, 05:56 PM
 
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I had that type of problem with my '84, but it would actually start to miss & run crappy, then finally die & wouldn't start again until it was cooled down. It ended up being my pick-up coil in the distributer...I just went ahead & replaced my entire distributer...only 50 buck w/exchange. Hope this helps. Good luck!
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post #7 of 7 (permalink) Old Jan 8th, 01, 05:58 PM
 
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BTW, the engine is not computer controlled anymore...so maybe same problem.
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