I was having trouble with my truck bucking and poor fuel milage,even after a factory (warranty) installed injection pump. Walt told me what to try and asked if the truck was doing other things wich he was right. After the fsd,#9 resister,vac,turbo and egr...
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From: Jeremy A.

sirs, thanks for your help with my fuel delivery problem. after installing the heat sync, i encountered a minor problem with the ground wire, but after a call to you and some tips ,i completed installation and the 3500 gmc savanna is running better that...
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From: Randy