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Engine Controls - Rough/Unsteady Idle

Bulletin No.: 04-06-04-080

Date: November 09, 2004

TECHNICAL
Subject:

Rough Engine Idle when Hot (Reprogram PCM)

Models:
2004 Chevrolet Malibu

with 3.5L Lx9 (VIN 8 - RPO LX9)

Condition

Some customers may comment on a rough or unsteady idle when the vehicle is at full warmed to operating temperature.

Correction





New calibrations have been released to address this concern. Reprogram the PCM with the appropriate calibration or later as shown.

Warranty Information





For vehicles repaired under warranty, use the table.





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