more help [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: more help


bsanders
02-20-2005, 12:21 PM
I changed the the fuel filter and it still throws the p1093 code. :help: :help:




Boyd

GMCSID
02-20-2005, 01:17 PM
Take it to the dealer. The code means the pump is unable to produce enough pressure possibly due to excessive return from the injectors. You may have won a new set of injectors!