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Codes from my truck

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Old Nov 16, 2007 | 08:20 PM
  #1  
happeetxn's Avatar
happeetxn
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Codes from my truck

Howdy All,
In addition to my recent fuel leak, transmission problems, I was able to meet a fella who had a scanner that would read my truck. The following list is what the scanner pulled:

P1280 ICP CKT Out of range low

P0113 IAT CKT High input

P1284 ICP Fault

P1718 Transmission control switch out of range

P0476 Exhaust pressure control valve

Any thoughts?
Thanks,
Craig
 
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Old Nov 16, 2007 | 08:47 PM
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How is it running?....
 
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Old Nov 16, 2007 | 09:11 PM
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It is running fine just very poor mileage right now. I used to get 18 - 20mpg on the hwy with rpm's at 1900 - 1950 now I am getting maybe 12mpg.

Craig
 
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Old Nov 17, 2007 | 12:09 AM
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First off...Welcome to FTE.

I think:
IAT is Intake Air Temperature
ICP is Injector Control Pressure
the other two, I'm not sure what they mean, but...the Exhaust Pressure Control Valve is where I'm thinking the MPG problem is coming from.

If the EPCV is like a back-pressure valve, and it's malfunctioning, it could be causing a high back-pressure condition causing the engine to work harder than it really should.

Don't get me wrong. Everything you listed needs to be corrected, but you might start with the P0476 code problem.

Good luck.
 
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Old Nov 17, 2007 | 07:39 AM
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Winter fuel will be part of the mpg loss.
Drive for awhile and rescan.
Possible you caused some codes tracing your fuel leaks?

Bill
 
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Old Nov 17, 2007 | 08:01 AM
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Originally Posted by MADVAN
Possible you caused some codes tracing your fuel leaks?
Bill
Hey Bill,
I would say I AM highly likely the cause of some of these codes. Going back out today to see if I unplugged something or nicked a wire.

Thanks for the input fellas!

Craig
 
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Old Nov 17, 2007 | 01:47 PM
  #7  
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Yup, at some point in time I cracked the connector on top of the ICP dang near in half. Put a new one on from International. Most problems have cleared up including the rough shifting tranny.

Craig
 
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Old Nov 17, 2007 | 04:50 PM
  #8  
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clear the codes and drive it, then scan again to see if anything came back
 
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Old Nov 22, 2007 | 07:46 PM
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Have any codes returned? Or is everything okay now?
 
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