V 1500 P/U 4WD V8-350 5.7L (1987)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - Surge In 1ST Gear (Revised PROM)
GMC 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.