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James

James 4/1/2011

1989 Chevrolet R2500 Suburban Silverado 8 Cyl 5.7L

Engine

Why does vehicle cut out when accelerating, under load only?

Coil went out and was just replaced. Vehicle runs great and starts right up, but now engine cuts out and pops under load. Runs fine in park and neutral. Fuel is clean, checked all wire conections, codes back as 12.
TBI model, wondering id distributer components were damaged by coil surge. could ESC or knock sensor cause this, or could there be damage to pick-up coil or the ignition control moduel.

2 Answers


yboy82

yboy82 7/28/2011

Code 12 means system normal. You can visit this link http://www.extreme-check-engine-light-codes.com... to have an idea how to extract stored trouble code in your vehicle without using a scan tool.

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yboy82

yboy82 7/28/2011

Did you already check the condition of your belts (might be slipping)?

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