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2005 Chevrolet Silverado 2500hd 6.6L with code P1404, what does the code means?

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2005 Chevrolet Silverado 2500hd 6.6L with code P1404, what does the code means?

Vehicle: 2005 Chevrolet Silverado 2500hd 6.6L

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HI there

This code is for the EGR closed position performance.

Possible causes include a faulty EGR valve and a blocked egr tube. Sometimes you can clean the egr with carb cleaner and get it working again.
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P1404 CHEVROLET - Exhaust Gas Recirculation Closed Position Performance

Read more: https://www.autocodes.com/p1404_chevrolet.html

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