08-06-05-002B - END OF INFORMATION NEED
ENGINEERING INFORMATIONBulletin No.: 08-06-05-002B
Date: June 03, 2009
Subject: EI08085 - 2.0L, MIL Lamp On, DTC P0420, Exhaust Noise, Poor Engine Performance (Engineering Information Closed)
Models:
2005-2007 Chevrolet Cobalt SS Supercharged
2004-2007 Saturn ION Redline
with 2.0L Engine (VIN P - RPO LSJ)
Supercede:
This bulletin is being revised to conclude the EI and end the parts restriction on catalytic convertors. Please discard Corporate Bulletin Number 08-06-05-002A (Section 06 - Engine).
GM Engineering investigated vehicles with your assistance in the field, but did not identify a single-point issue (root cause) for this condition. Please refer to SI and follow the established diagnostics for correction of this customer concern.
The prior parts restriction on catalytic convertors has been canceled.
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