Engine - Surge In First Gear
88chevy21Number: 88-262-6E
Section: 6E
Date: JUNE, 1988
Subject: ENGINE SURGE IN FIRST GEAR
Model and Year: 1987-88 C/K/R/V TRUCKS WITH 5.7L (VIN CODE K) ENGINE, MANUAL TRANSMISSION AND HEAVY-DUTY EMISSIONS
TO: ALL CHEVROLET DEALERS
Some 1987-88 C/K/R/V trucks with 5.7L engine, manual transmission, and heavy-duty emissions may experience engine surge in 1st. gear at low speeds. If the condition described cannot be repaired using normal service procedures, a revised calibration PROM should be installed.
New Broadcast New PROM
Body Emission New PROM Code I.D.
Style Type Kit No. (PROM Label) ( Scan Tool)
C/K/R/V 25/3500 NA4 16125328 ANMW 6001
NOTICE: THIS PROM TO BE USED ON NA4 (GVW 8600 LBS. AND ABOVE) VEHICLES ONLY.
Use applicable Labor Operation and Labor Time.