Engine Controls - Surge In 1ST Gear (Revised PROM)
88chevy10GMC NUMBER: 88-T-128
GROUP: 6E - Engine Emission
DATE: July, 1988
CORPORATE
NUMBER: 836526
SUBJECT: ENGINE SURGE IN 1ST GEAR (REVISED PROM)
MODELS: 1987-88 C/K, R/V TRUCKS WITH 5.7L (VIN CODE K) ENGINE WITH MANUAL TRANSMISSION AND HEAVY DUTY EMISSIONS
Some 1987-88 C/K/R/V trucks with 5.7L (VIN Code 10 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 Series 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 Labor Op T7655 and Labor Time .8 hr.