Engine Performance - Surging Idle or Hesitations

Group
2

Number
9404

Model
4 Cyl.

Part Identifier
2435

April 5, 1994

Subject:
Engine Performance Problems

ATTENTION: Service Manager / Service Technician

Models Affected:
944 S2, Model Year 1989-1991
968, Model Year 1992-on





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 drawing) 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 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