2001 Saturn SL "3 service engine" Questions

...Service Engine & Security light came on. Went off for 2 days are back on again. Mechanic can't figure out what's wrong. They get codes for the transmission, engine and others. The care has aprox ...

service engine soon' light has been appearing...not constantly or even ever day, but perhaps every 3-7 miles it will come on, then go off. It seems totally irrational; I have no noticeable performance

service engine light came on they put the tester light on the car & they read the code that the egr value was bad , so I replaced it and it is still doing the same. as in gas is wetting the plugs , so

...service info . A quad driver module (QDM) is an electronic switch which completes a ground circuit when switching ON. The QDM independently controls 4 separate outputs. A load is connected between ...

...3 minutes after starting the engine and stop after a few minutes. Any idea what this means? this is a engine code telling you there is a fault in the system it should either be a constant blinking or ...

...fluid.Decent mechanice could do this in about 2-3 hrs or less.The service engine light is probally on due to trouble codes from the trans controller most likey DTC P0723 No 2nd gear.hope this ...

through the class 2 data bus (circuit 1807) to turn on the SERVICE (Wrench) telltale. The SERVICE (Wrench) telltale will be turned ON for 2-3 seconds when the ignition is turned to RUN for a bulb test

...3 0r 4 rpm's when i start it and sometimes cuts off going dwn the rd service engine light comes on.this morning the same thang but it now feels like its only running on 2 cylinders and is smoke;n and ...

...engine wasn't hot. please help! A number 3 cylinder misfire will not cause a high idle-a throttle position sensor or (most likely) the Idle Air Controller is gunked up with carbon and is hanging ...

...service engine soon light comes on after driving at highway speed for 3 or 4 minutes. It goes out after not maintaining hiway speed. When I go to check for codes the cooling fan comes on and it just ...