Service engine soon light on flashes sometimes | Ford Explorer Forums - Serious Explorations

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Service engine soon light on flashes sometimes

Jhamilton

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Joined
July 3, 2015
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Year, Model & Trim Level
2003
Service engine soon light on sometimes flashes. Runs rough around 30 -50 mph.
 






You should have pending code stored. Need to have it read, then post back once you have it.

Some parts stores read codes for free.
 






typically a flashing CEL indicates a msifire
 






My 03 Ford Explorer XLT was flashing service engine soon because I wasn't changing my oil frequent enough. When I went to about 5,000 miles it would flash and when I changed the oil it would go away. Make sure you are doing regular 3,000 mile intervals if you are using regular oil. Check your oil with the dipstick and see how dirty it looks. But be consistent with oil changes.
 






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