2002 Blazer "Check Engine Soon" light is on but scanner doens't detect any codes. What do I do now?
Question type: Maintenance & Repair
2002 Blazer "Check Engine Soon" light is on but when we hooked up the scanner it doesn't show any codes. I need to get it inspected, but I can't if I can't find out what's wrong.
6 Answers
Rowefast answered about a year ago
It may be that at the ALDL connector has no power for the scanner? Something not working electrically inside the vehicle?
thighland answered about a year ago
car runs great and no apparent electrical problems. Only thing I know is wrong is slight power steering fluid leak. Everything else is good.
Rowefast answered about a year ago
Gotta get a code or it is a guessing game. Would need someone to look at it to see why the light is on.
tennisshoes answered about a year ago
If it is the yellow check engine light that is a maintence reminder light, time for an oil and filter change then reset the light, if it is the red light and no codes then there is a failure in the engine control systems, check the fuses and don't forget those under the hood, if none are blown then you will have to go to a shop for further testing.
thighland answered about a year ago
It's a yellow light. You think an oil and filter change will do the trick?
tennisshoes answered about a year ago
Just make sure they reset the light when it is serviced, or reset it yourself, that information will be in the owners manual.
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