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Rough idle 700 1990

posted by  MAG228 on  Sat Oct 2 12:04 CST 2010
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last visit: Fri Oct 22 11:44 CST 2010
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The first start is a little rough for about 6-7 seconds and then smooths right out. Like a switch on and off. The back water hose blew out about 6 months ago and it was stemaing hot. I am not sure if this is related. My wife was driving most of the time and I think it has been idling rough for awhile. Runs nice ater the idle period.

Chevron mechanic said he put a temp switch in to try , since he was not sure what was causing it. They also thought it could be an intermittent injector. He also thought about changing the cold start injector but decided not. Are there more than 1 temp switch to the computer?

Any assistence with this problem will be apprecated.

Mark






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New Rough idle [700][1990]
posted by  MAG228  on Sat Oct 2 12:04 CST 2010 >


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