1988 GMC K2500 "light engine" Questions

...and no one can give you any idea, then it's most likely just in the wiring... sometimes the check engine light will throw even when nothing is wrong... if your car is running smoothly... no

...engine light come on (just put in raidaitor, oil change, new plugs, wires ,cap, thermestat etc- now check engine light comes on- had diagnostic done- oxygen sensor seems to be culprit- how many are ...

...engine, then hit the crank dampener with a timming light while clipped to the #1 spark plug wire and turn the distributor till the timming light is showing 0 on the crank, then tighted it down and ...

...turn engine off reconnect wire and check timing again, should be advance now, also some times that will cause an engine light to come on, just disconnect battery for 15 sec. and computer is

light switch have been changed. Also when the blinker is switched to the passenger side the gas gage moves with the blinker and gas has no had an accurate reading for a few years but just jumps around

...engine light on or flashing? Your truck would be OBD1 so there should be an oblong plug under the dash. It will have 2  rows of connectors and 2 of them will be marked A and B. Use a jumper wire ...

I get fuel to the throttlebody, but it doesn't come through the throttlebody Check the injector pulse. Used noid light connected to the injector connector. Crank the engine and observe the light flash

...to try  to figure out if it is a spark or fuel problem to proceed.  The throttle position sensor could be wearing out.  But if a sensor fails it should turn the check engine light

light or with the engine running, and to set the ignition timing follow these procedures. There is a mark or notch on the distributor housing that the rotor should be pointing to when the engine is on

...engine light comes occasionally when it does tranmission shifts hard. if light is not on normal .also at idle the engine revs then drops you need to have the codes checked/read with a scanner.if you ...