About fuel pressure?
#1
About fuel pressure?
hello i got a fass ddrp pump and a fuel pressure gauge. my fuel pressure gauge kind of acts wired sometimes. when the truck is warmed up the fuel pressure idles at 16 or 17 psi. and when im going down the highway it stays around 16 psi.then sometimes when i ran the truck a while then at idle it idles at 20 at it goes back and for th to 20 to 25. it seems to move around alot. What would cause this. and another question my truck keeps really good fuel psi at idle and highway but its wierd it goes down to 11 psi at WOT. i wonder why i lose so much fuel pressure at wot.
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24 Valve 2nd Gen Dodge Cummins 98.5-02
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10-06-2014 11:28 AM