I need to know how to reset the check engine light. Can you tell me what to do? I know what is wrong, but can't figure out how to clear the codes.

Asked by Mar 21, 2013 at 12:40 PM about the 2003 Ford Explorer XLT V6

Question type: Maintenance & Repair

5 Answers

well have you disconnected the negative cable for one mississippi, two mississippi, then replaced it only to find the trouble codes are stored on an EPROM (electronically programmable read only memory)....well here's an answer---actually fix what the thing is bitchin' about....then will go off!

10 of 10 people found this helpful.
102,865

It may take several driving cycles before the light goes off after the repair is made.

3 of 3 people found this helpful.
105,505

Disconnect the battery, turn on headlight switch, leave disconnected overnight, next day turn off headlight switch, reconnect battery and drive unit normally, make take as long as 20 minutes for the system to relearn what type of equipment your explorer has. If everything is fixed there should not be any check engine light.

4 of 4 people found this helpful.

http://www.tmart.com/MS309-OBD2-Scanner-Car-Diagnostic-Code-Reader_p133253.html?fixed_price=us_us&utm_source=base&utm_medium=organic&utm_campaign=product&gclid=CI-SqJzDjrYCFZFaMgodrToACw

2 of 2 people found this helpful.
21,130

If you sure what the problem is, replace the part, bring the car to autozone and they will erase the code.

2 of 2 people found this helpful.

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