Mechanics

HOW DO I TROUBLESHOOT THE CHECK ENGINE LIGHT?

1995 Ford F-150

The check engine light will NOT come on, therefor I cannot get it smogged, what to do?
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Deuce4952
March 1, 2012.




Notice the diagram, check the fuse. Check voltage and ground. The circuit is grounded by the pcm. Voltage comes from the fuse. Could be problem with wiring circuit? The bulb could be burned out or vibrated loose.


JDL
Mar 1, 2012.


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