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Have an 04 Colorado 5 cyl with a mis fire engine light on
2004 Chevrolet Colorado

Have an 04 Colorado 5 cyl with a mis fire engine light on

(2004 Chevrolet Colorado)
I can not get the code. When I plug in my MAC ET50 code reader I get nothing. Just a blank screen. But I tried my code reader on 3 other vehicles and it works just fine. Is the OBD port controlled by a fuse?
What seems to make the problem better or worse? running the engine?
How long have you had this problem? 2 days
Tags: engine miss fire, obd port seems to not be, chevrolet, colorado, engine miss fire, obd port seems to not be
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Popular Answer
on May 15, 2019
Yes there is a fuse to protect the power circuit to the obd port. Check your fuses first.

Alex
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General Diagnosis
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on May 15, 2019
Yes there is a fuse to protect the power circuit to the obd port. Check your fuses first.

Alex
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