VERY STRANGE RPM PROBLEM HELP ME!!!!!! :
Hey Scotty i have Alfa Romeo 146 1.4 Twin Spark i have changed MAF,spark plugs,oil,i cleaned the throttle and i have changed Idle speed actuator but the rpm changeing when the car is in normal working tempereture and when is cold has no problems keep the rpms but what the hell is this problem help me!

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ScottyKilmer
ScottyKilmer

often worn fuel injectors do that, cold engines need extra gas, leaking injectors don't bother it then , they like the extra fuel. But once warmed up, the extra fuel makes em idle up and down . Also check for vacuum leaks on the intake