Engine Performance Problems (GROUP 2, NO. 9404)
Publication date: 1994-04-05Reference number: GROUP 2, NO. 9404
ENGINE PERFORMANCE PROBLEMS
TECHNICAL SERVICE BULLETIN
Reference Number(s): GROUP 2, NO. 9404, Date of Issue:
April 5, 1994
ENGINE PERFORMANCE PROBLEMS
Model(s): 1989-1991 Porsche 944 S2; 1992-on Porsche 968
Group: 2 - Fuel & Exhaust
Bulletin No.: 9404
Part Identifier: 2435
Date: April 5, 1994
CONCERN
If a vehicle is having engine performance problems such as surging idle or hesitations, a leak in the intake system could be the reason. The connecting elbow (see Fig 1 ) which connects the intake boot and idle stabilizer should be checked for cracks or leaks.
REPAIR INFORMATION
A leaking connecting elbow should be replaced with a reinforced version, Part Number 944 110 212 01. The part number is cast into the plastic of the connecting elbow.
GENERAL INFORMATION
This new plastic connecting elbow has been installed in production since February 2, 1994 from the following engine numbers:
- 42 R 01717
- 42 R 50763