For 1990-2009 cars

# Cold Engine Idel Hunt/Surge (Reprogram PCM)

Subject: | Cold Engine Idle Hunt/Surge (Reprogram PCM)

Models: | 1997 Chevrolet Malibu

| 1997 Oldsmobile Cutlass

| with 3.1 L Engine (VIN M - RPO L82)

### Condition

Some owners may comment on a cold engine idle hunt or surge, which diminishes as engine reaches operating temperature.

### Cause

The PCM calibration under certain ambient conditions may induce this condition.

### Correction

A revised calibration has been released to correct this condition. Reprogram the vehicle using the appropriate calibration listed below.

### Parts Information

Part Number | Description
--- | ---
09383354 | PCM CAL, US 50 STATES

The calibration listed is an electronic calibration and is NOT available from GMSPO. The calibration is available from Techline starting June 1999, on the TIS 2000 Disk 12 CD ROM.

### Warranty Information

For vehicles repaired under warranty, use:

Labor Operation | Description | Labor Time
--- | --- | ---
J6355 | Prom - Reprogramming, ON Car | Use Published Labor Time