My 03 envoy slt has just produced the " reduced engine power light" accompanied by the "service engine soon" light. I turned the vehicle off and the reduced light shut off while the service engine soon light remained on. Several minutes later the reduced light came back on. I stopped and turned the car off while refueling. Directly after re-fueling both lights turned off for about 30 seconds. Than they both came back on. Is this a computer problem?
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How do i turn off "service engine soon" light
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