2007 - 2013 (GMT900) Section for all discussion related to the 2007-2013 Chevrolet and GMC trucks.

'13 with interesting codes

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Old Apr 8, 2016 | 3:30 PM
  #1  
CNG Pete's Avatar
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Default '13 with interesting codes

P013B and P015B.

Slow response lean to rich.

Never saw those codes before but this truck was running VERY rich.

-Pete
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Old Apr 8, 2016 | 10:06 PM
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From: nebraska
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high pressure direct injected fuel system, most people don't realize that its almost a completely different system which means different codes and ways to diagnose.
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