Published on 04/3/2007

This procedure has shown to help 24 valve ISB engines. It is basically teaching the fly by wire accelerator on these trucks to reread the position of the pedal and it's limits. Most complaints this will help with is poor acceleration, improper shifting, bucking in 5 and 6 speeds. Has been known to increase fuel mileage in some instances.

Set parking brake
Disconnect negative battery cables on both batteries
Turn ignition key to run(to drain any remaining capacitors)
Let truck sit for 30 minutes( this is the recommended minimum)
Return ignition to OFF position
Reconnect both batteries and secure, not a timed event
Turn key to run position(not start) and depress accelerator
Allow pedal to return to top position slowly
Turn ignition switch OFF
Release parking brake