MIL is ON, and Intermittent DTC 44 (Oxygen Sensor) Set
File In Section: 6E - Engine Fuel & EmissionBulletin No.: 67-65-26
Date: July, 1996
Subject:
Intermittent DTC 44 (Install New EPROM)
Models:
1994 Chevrolet Beretta, Cavalier, Corsica with 2.2L Engine (VIN 4 - RPO LN2) and Manual Transmission
Condition
Some vehicles may exhibit an intermittent DTC 44 and an illuminated Malfunction Indicator Lamp (MIL) when driven at a steady speed or on the highway immediately after a cold start.
Cause
The calibration may cause a lean signal from the oxygen sensor causing a DTC 44 to be set under the above conditions.
Correction
Install a new EPROM to correct the condition from the chart below.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, see chart.