LS2 V6-3.0L VIN R (2000)
Technical Service Bulletin # 00-T-50
Date: 001001
Engine - Hesitation on Acceleration/DTC's Set
BULLETIN NO.: 00-T-50
ISSUE DATE: October, 2000
CATEGORY TYPE: Engine - 14
CATEGORY: Fuel
CORPORATION NO.: 00-06-04-041
SUBJECT:
Engine Hesitation Under Heavy Acceleration (Inspect Fuel Return Hose and Jet Valve Fitting on Fuel Pump Housing and Repair as Necessary)
MODELS AFFECTED:
2000 Saturn L-Series vehicles
CONDITION:
Some customers may comment about an engine hesitation under heavy acceleration or after turning a corner. This condition will be more noticeable with
lower levels of fuel in the fuel tank (1/4 tank or less). This condition may also be accompanied by DTCs P0136 and/or P0156 on V6 (L81) equipped
vehicles, or P0137 on 4 cyl. (L61) equipped vehicles.
CAUSE:
The hesitation may be caused by a drop in fuel pressure due to a malfunctioning jet valve on the fuel pump housing, or a faulty fuel pump assembly.
CORRECTION:
Follow the procedure in this bulletin to inspect the fuel return hose and jet valve fitting on fuel pump housing.
PARTS REQUIREMENTS
CLAIM INFORMATION
To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System table as shown.
DISCLAIMER
Procedure
1.
Connect a Scan tool to vehicle and check for DTCs.
