How to tell if the CEL is working? | Ford Explorer Forums

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How to tell if the CEL is working?

nitro71

Explorer Addict
Joined
April 30, 2009
Messages
1,058
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City, State
Spokane WA
Guys I'm not sure my check engine light is functioning. Should it flash on when you start the car? Man.. I'm betting it's not working and I haven't been able to track down some probs because I thought my sensors were fine.
 






Key to on position, light should light.

good luck
 






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