Check Engine Light

[couger77]

My check engine light came on for about 5 minutes on the highway today. Any thoughts to what it might be?

Thanks.

 

[JDraper]

You have to pull the codes to figure it out. CEL comes on for any one of a hundred different reasons.

 

[couger77]

Will any place do it for free? ie: AutoZone?

 

[JDraper]

Will any place do it for free? ie: AutoZone?

Yep..Autozone will pull 'em for free.

 

[little x]

I thought they only pulled OBD-II codes for free. That's what I was told. But they had a scanner for only $30 that was OBD-I.

 

[JDraper]

You can actually read the OBD 1 codes (1995 and older) with nothing more than a paper clip. If you short the self test input wire to pin #2 on the diagnostic port, the CEL will flash the codes via. light sequence. Go buy a Haynes manual for about $17 and it shows you how and what the codes are.

Two caveats, some of the earlier OBD 1 computers won't show codes on the CEL, you actually need to use an analog multimeter to read them, and you can't read Fast codes without a scanner.

 

[X-North]

Man register a vid of your codes and i will translate ti for you i had so much of them on my 1992 explroer

Heres how you do it if you want to do it yourself
http://www.explorerforum.com/forums/showthread.php?t=160035