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92 4.3 CPI s10 4x4 rough idle
Car starts and runs fine when engine is cold. after getting the engine temp. up and turning off engine and starting again. the idle speed is really rough. not so rough i think it is going to die, but not a smooth idle. when i accellerate it is smooth as ever and up to speed on highway it runs great. truck has 140K and has had CPI and nut kit replaced over 8,000 miles ago and i have checked the plugs, theyre fine....any input would be..greatly appreciated.
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