For 1990-2009 cars

# Driveability Concerns, Hesitation, Stumble, Stalling (Replace Injector Harness)

Subject: | Driveability Concerns -- Hesitation, Stumble, Stalling (Replace Injector Harness)

Models: | 1997 GEO Metro

| 1997 Pontiac Firefly (Canada Only)

### Condition

Some customers may comment about an intermittent hesitation, stumble, possible stalling, or similar driveability concerns.

### Cause

The wiring harness terminals, which connect to the fuel injector, may have poor contact with the injector terminals.

### Correction

Install a fuel injector wiring harness service kit, P/N 91175409. Follow the service procedure in the Engine Controls sub-section of the Service Manual.

### Parts Information

Part Number | Description
--- | ---
91175409 | TBI Connector Repair Kit

Parts are currently available from GMSPO.

### Warranty Information

For vehicles repaired under warranty, use:

Labor Operation | Description | Labor Time
--- | --- | ---
N6985 | Harness, Fuel Injector Wiring - Replace | Use published labor operation time