Join Date: Mar 2006
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Has anyone done an injector contribution test yet. Or something to that process. Alot of times a rough idle has to do with injector timing. I would say check the injectors. Also The fuel system on a Superduty with the 7.3 dead ends into the fuel rails.
Early 99 F-250SD 7.3 PSD 4x4. Auto, tymar type intake, straight pipe, Six inch stacks, Tony Wildman Four position chip, Street race, 80 Tow, 80 Econo, Extreme. Let the smoke roll. Upgraded torque converter. Autometer Ultralights on the Pillar. Running Cooper Discover STT's.