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There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
How do you reset service light in 2003honda pilot
reset service engine light
How do I reset the service engine light on a 2003 Chevy Trailblazer?
How do you reset the oil service warning light manually on a 2003 BMW 525i?
reset service engine light on BMW 325
You need a scan tool to reset light after repairing the code.
Take it to your dealer!
Check engine light is reset with a scan tool.Oil change due is reset by pressing "step" until "0 miles to service" is displayed. Then press and hold "reset" until it resets.
How do you manually reset the oil life monitor on a BMW 525i
DISCONNECT THE NEGATIVE BATTERY CABLE
The directions to reset the service reminder light are explained in your drivers manual.