What would cause the check engine light to go on?

I noticed on the way back from dropping my friend off that my check engine light was on. I drive a 1993 Ford Ranger. What could cause this to go on and how do you fix it?

Answer #1

in this order is what id do…

check oil, water, dizzy cap, rotor arm, ht leads… and replace as necessary..

is it a turbo? do you hear a rattling or a tapping type noise?

I dont know the layout of your cars engine :S

Answer #2

You should consult your owner’s manual.

I know that for my vehicle it has something to do with emissions, but I have a different vehicle.

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