Skylark V6-191 3.1L VIN M SFI (1994)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine - Cold Start Stalls and/or Tip In Hesitation
File In Section: 6E - Engine Fuel & Emission
Bulletin No: 57-65-24
Date: November, 1995
Subject:
Cold Start Stalls and/or a Tip-in Hesitation on Acceleration
Models:
1994-95 Buick Skylark, Regal
1994-95 Chevrolet Beretta, Corsica, Lumina, Monte Carlo
1994-95 Oldsmobile Achieva, Cutlass Supreme
1994-95 Pontiac Grand Am, Grand Prix
with 3100 V6 Engine (VIN M - RPO L82)
Condition
Some owners may experience a cold engine start and stall and/or a light acceleration tip-in hesitation on a cold engine.
Correction
A new flash prom calibration has been released to service vehicles which experience the conditions mentioned above. The new calibrations add fuel to
the Throttle Position Sensor enrichment algorithm below coolant temperatures of 80°C (176°F).
Parts Information
The complete listing of new calibration numbers will be available for Tech line Tools starting with the October CD release from GM Service
Technology Group (STG).
Important:
Do not attempt to order the calibration numbers from GMSPO. The calibrations are programmed into the vehicle's Powertrain Control Module via a
Techline Tool device.
Warranty Information
For vehicles repaired under warranty, use:
