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Flex fuel

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Old Apr 19, 2016 | 07:39 PM
  #1  
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Default Flex fuel
The eng i installed is a Flex fuel. the truck is not. what else do i
need to change to to make it a Flex fuel truck ? It's a 2010 Colorado
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Old Apr 19, 2016 | 07:47 PM
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Likely a bigger pump to support the fuel flow of E85, then I think you'd need a E85 content sensor to wire into the computer.
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Old Apr 20, 2016 | 12:15 PM
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You'll need the OS enabled for flex fuel, and the sensor plumbed in and wired to pin 56 of the PCM. What are your goals and why do you need flex fuel?
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Old Apr 20, 2016 | 10:30 PM
  #4  
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Default S/c
Looking to install a CTSV S/C down the line 6 to 8psi, eng has 11.4 comp
where does the sensor go ? what is the length of a Silverado flex pump ?
Last edited by turboal1; Apr 20, 2016 at 10:41 PM.
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Old Apr 20, 2016 | 10:50 PM
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Colorado bucket uses identical fuel pump motor as a Silverado, same dimensions so a Flex Fuel OEM pump will drop right in.
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