there's a different procedure to erase some codes.... it involves the throttle peddle or something. I had to do it but forget how now..... I had batteries un-hooked for 2 days and still had the codes until I did the other thing. Someone here should know what Im talking about.....
by the way... my truck does that to some extent still... I get a long pulse code only when cold. I figure I have the timmimg out and when its cold it might be just enough to throw a code.... but it goes away after the pump warms up a little.
“I know that you believe you understand what you think I said, but I'm not sure you realize that what you heard is not what I meant.”
-94 C-3500 6.5 TD CC Long Bed Dually Low Rider
-16" Alcoa aluminum wheels with long lugs.
-Drop spindles, lowering shackles with bags, rear reversal and C notched
-3" no cat straight back exhaust with 5" tip.
-Rebuilt Stanadyne IP and new style PMD on the pump for now 1-14-11
-High Idle mod.
-Heath Turbo Master.
-Heath Max E Torque Chip.
-Lots of new parts all over.