R 3500 P/U 2WD V8-305 5.0L (1987)
Driveability Conditions - 5.7L (L05) TBI Engine
1.
Rolling, surging or rough idles.
Notice:
In addition to the PROM change it will be necessary to reset minimum idle speed, per the procedures on pg. 4-44 of the 1988 Driveability
and Emissions Book X8836.
A.
Automatic (Drive) 425 plus or minus 25 RPM.
B.
Manual (Neutral) 500 plus or minus 25 RPM.