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4.7 to 5.7 swap apps problems

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Sep 12, 2011 | 03:08 AM

brandenasagra

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4.7 to 5.7 swap apps problems

i had to put my 4.7 pcm back in to my truck now my truck has one code 508 iac valve signal circuit low voltage with the 5.7 pcm an tcm i had all kind codes an truck wouldnt start now truck starts with 4.7 pcm but my questition is is there a way to get the apps to work with the 4.7 pcm also my truck is standerd so there is no tcm with the 4.7 pcm