1990 Chevrolet C1500 "check engine" Questions

engine is warmed up before you check. Transmission dipstick handle is usually colored "red". Engine oil is usually yellow (Must be checked with engine off if engine was running prior let engine sit in

check engine light Go to the web site below and run a fault code test.http://www.extreme-check-engine-light-codes.com/check-engine-light-codes/GM-1983-1995-OBD1-Decoder.html

...what are the steps to time a 1994 chev truck with a 350 engine with a timing light? engine idle and then check strobe light to mark on crank ,then slowly rev engine to check advance ,it should ...

...check engine light came on it seems to run fine the only other thing i noticed is the temp gauge runs up to 210 then comes back down,it only does that right after you start it then its fine Check ...

where is the brain or computer on a 1998 chevy truck? Check the next diagrams for specific locations (clikc image for zoom), in all engines check C1 or VCM (Vehicle Control Module)... Fig. 30: ...

...engine size do i have? chevy 1968 c10 vin ce148z168411 block # 377129 con 2 b 47 gm 21 Check this website and double check your vin number to see if its correct. That way you can determine what you ...

check engine light is not on. What could this be? It may just need a tune up (new plugs/wires/fuel and air filters). On the other hand it may bad fuel to air ratio. Why your check engine light doesn't

burned very rich, now will not start. check engine was running , very rich, now will not start. check engine light is on. check oxygen sensor first and idle control valve second

Check Engine Light. TPS--good MAP--good IAC--good ECM--? Injector(s)--? Thanks If it has a Mass Airflow sensor unplug it and see how it runs. If it smoothes out that is the problem. I would also check

engine check light does not come on. I changed oxygen sensor and egr solenoid on the back of the throttle body. also the engine will cut off at times when putting in gear or turning the ac on. what is