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1990 Chevrolet 1500 Pickup

 

Question: check engine soon light stays on when pulling a trailer

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semperfi, 5.7L V8, Roseville, CA, June 27, 2010, 16:22
 Rookie

After I put a load in my trailor I go approx. 15 miles then the "service engine soon" light comes on steady and stays on. I turn off the engine unload my load, I start the truck up the light is out,It does it everytime. When I go a distance with the trailor empty the light does not come on at all.

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, June 27, 2010, 18:33
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     Master

    Once the Check Engine Light has come on a code is stored in the computer it would be interesting to know what code is stored to see if it relevant and worth "fixing".

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