R 3500 P/U 2WD V8-350 5.7L (1989)
Some 1989 C/K, R/V, & G model tracks with TBI engines may experience a False "Service Engine Soon" Light. If Code 32 (EGR Diagnostic) or Code
45 (02 Sensor Rich) cannot be repaired using normal service procedures, a revised calibration PROM should be installed (see attached chart).
IMPORTANT:
These new PROMS are for light duty emissions vehicles only (UNDER 8500 LBS. GVW).
For vehicles repaired under warranty, use:
Labor Operation:
T0500
Labor Time:
.6 HR. C/K/R/V MODELS .7 HR. G MODELS
