1992 Mitsubishi Diamante Q&A
1992 Mitsubishi Diamante Question: engine revving up
Black smoke is from too much fuel, not EGR. You may have excessive fuel pressure, bad mass airflow meter or a bad injector. Even though the check engine light isn't on, check the codes, there may be one stored. - Bret Bodas
whats causing my engine to rev up to 2200-2300 rpm for no apparent reason? still does it if i shut engine off and restart. then it will go back to normal,about 7to800 rpm.
do you check the engine trouble codes with a pin or paperclip like the obd1 system like a gm vehicle? if so, which pins in the connector do you use? i also have a PWR light coming on now. any ideas...
I would like to thank you for your time and helpful answers. My daughter bought this car without me checking it out first. Seems these cars came from the factory with alot of problems,(electronics,...