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What are some things to check with a fault code p1641 on a 1996 Chevrolet Caprice V8 5.7L?

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What are some things to check with a fault code p1641 on a 1996 Chevrolet Caprice V8 5.7L?

Vehicle: 1996 Chevrolet Caprice V8 5.7L

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Does the engine warning light bulb illuminate? If it doesn't then you should start by replacing the bulb. If it does illuminate, then you may have a problem with the engine control module.

P1641 CHEVROLET - Cooling Fan Relay 1 Control Circuit
Read more: https://www.autocodes.com/p1641_chevrolet.html

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