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tbi engine oscillating idle, when cold
1989 sub, idle up and down at a cold start, seems to disappear when warmed. also, after shutdown at operating temp. , come out to start within 15 minutes and it doesnt want to operate at all till "warmed" up. replaced all sensors,iac,temp,egr,map,pcv,fuel regulator, nothin doin. any assitance?
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