Working on a no start condition. no fuel and no spark. The SES light does not turn on with the key in run mode or when the ODB1 connector A&B are shorted
Go to Autozone.com and register your vehicle for free. Once you do, you can get free wiring and fusebox diagrams for your car.
Then check the Relays for the ignition. You may be able to switch the horn relay for the important relay to test the car. Just note the numbers on the Relays to match them.
Check the Ignition switch, and fuseable link. The SES system like the rest, require power.
SOURCE: service engine soon
this is your check engine light
when the computer see's that a sensor or actuator is out of range it will set a code that can be retreeved by using a scan tool.
SOURCE: 1999 Olsmobile Aurora will not start
Definately the ignition switch. The main relay has 2 sides to it. Its turns everything on like fuel pump ecu and ect. when the key is in the start position. Then the other side of it is the simply run side which keeps everything on but disengages the starter. You can fix it by taking it apart but its better to just go ahead and get a new one. I dont think they are that expensive.
SOURCE: 93 olds cutlass service engine light turns on periodically
have you had someone plug a computer into it and see if it is logging a code? this code be a v.s.s. sensor, to a fuel code. you might run the car by your local mechanic or autozone, advance auto, pepboys etc, they will normally pull the code for you for free and let you know what the outcome is. good luck any other questions just let me know i'll try to help.
SOURCE: service engine soon light comes on , anti lock & track light off
could be anything dealing with abs system...more than likely tho it means you have a bad wheel bearing/hub...least this was the problem on my alero when this happend
SOURCE: When I start my 2001 alero the anti-lock, traction
the anti-lock and traction lights will come on together if there is a common problem with the two, since they are closely related. may be a wheel speed sensor or something similar. the service engine soon light indicates a problem with the engine computer, can be anything from an emission system problem or an engine performance problem. all of these lights can come on with no apparent running problems on the car. the service vehicle soon light is basically a maintenance reminder, an oil change light. take the car into a shop and have the codes read for these lights.
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