Came in first time with MIL code P0300 random [...] good spark,good compression,#2 & #4 cyl were dead. Replaced CPI unit and truck ran beautifull.2 weeks later came back with same problem. Checked fuel pressure was [...] blocking off return too see if pressure...

FIX posted 2/26/2003

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle