Automotive Scan Tool App

Anything for OBD-I cars?

Yea..A bent paperclip.

I'm not joking. You bent a paperclip and place each end in a certain pin location with the ignition on. The check engine lamp will flash in a sequence that will supply you the DTC (diagnostic trouble code) number. Take that number to the parts store and they will tell you what the issue is.

google is thy friend.
 

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