Can a blown fuse cause the service engine soon light

Asked by Dec 21, 2015 at 08:52 PM about the 2004 Ford Expedition XLT 4WD

Question type: Maintenance & Repair

AutoZone technician tried to check the code but the computer wouldn't read.
Technician said that the fuse being blown would cause the light, I am just
wondering...

2 Answers

6,575

The fuse didn't cause the check engine light. the reason they couldn't check the code is because of the dlc fuse being blown. It is commonly due to the front power point having a fault such as a coin or bad charger in it. replace the front power point fuse and the codes should be able to be checked.

1 of 1 people found this helpful.
19,180

And also do not know about your vehicle but most check engine lights are connected to the cigarette lighter fuse if it is blown or removed can not get codes.

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