2003 yukon xl flex fuel fuel pump problems

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kelbe1

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Does anyone know what the difference is between fuelpumps listed for the standard gas and the flex fuel models? Any insight is greatly appreciated. Thanks!
 

Physh1

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The fuel components in a flex fuel vehicle are designed to deal with the very corrosive nature of e85 so the pump with be made of different materials that a non-flex fuel pump. As far as the actual function of the pump I doubt there is much difference.

Cameron
 

kellbe1

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Thanks Cameron, I appreciate the info. I was wondering about pressure ratings. I have since installed a new pump. It was something of a vexing issue because I had found where Chevy had issued a Technical Service Bulletin in regards to installing an new wire connector plug with the new pump, yet none of the flex fuel pumps come with a new pigtail.
 

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