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Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3367
Experience:  Jeep Certified Master Tech
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Chris. My 2002 Jeep Liberty check engine light is not coming

Customer Question

Hi Chris. My 2002 Jeep Liberty check engine light is not coming on during the self check when I turn the key. The other lights are fine. I have changed the bulbs and tried checking the voltage using your diagram but I don't know which one is for that light. Please help!!! In Texas I can't get it infected without that working!
Submitted: 1 year ago.
Category: Jeep
Expert:  Tim Mohr replied 1 year ago.

Hi, my name is ***** ***** you checked powers and grounds at the computer yet?

Customer: replied 1 year ago.
Do you mean where the panel plugs in? I tried but my volt meter doesn't fit in all the holes
Expert:  Tim Mohr replied 1 year ago.

at the ecm, the main computer, you need to remove the connector and check certain pins for power and grounds