2003 Saturn Ls 4dr Sedan "trouble lights" Questions

...lights don't go off and on What makes you think the computer is at fault ? Check power an grounds first , do you know what these are ? Go on youtube an check out videos on voltage drop testing .Also ...

...Now the engine light is permanently on? You will need a OBD2 code reader, that will give you a "trouble code" then that will tell you what direction to look in, for the

...into limp mode.stop shut off.restart runs ok again Have you had the engine computer checked for trouble codes

Car had trouble starting then once it did the engine light came on and the car is now putting when driving it replace your fuel pumps you have 2 of them 1 per tank

Car had trouble starting then once it did the engine light came on and the car is now putting when driving it ck battery terminels.clean and tighten terminels.

...You may have had issues other than what you thought was to be replaced You need the manuals & trouble charts I have to solve & maybe the pro software to check for enhanced body codes I

...the gas for it to run engine light stays on i have changed bank 1 both o2 sensors So what are the trouble codes in the computer ? Could be an idle speed control valve among other

what does the wrench light mean on a 2004 lincoln ls Usually engine trouble, could be a faulty sensor. Either take it to a shop or to a parts store that can diagnose warning lights.

mis fire in cylinder 6 check eng. light is on and running sluggish pull trouble code and start from there you can go to an auto parts for a free tcd. have to know the code to help. thanks,

CHECK ENGINE LIGHT 2000 LINCOLN LS V8 3.9 TROUBLE CODE 1309 code 1390 means the mis-fire monitor is disabled, what is the problem with the car