Operation CHARM: Car repair manuals for everyone.
Home >> Geo >> 1996 >> Tracker 4x2 L4-1.6L VIN 6 >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Technical Service Bulletins >> Engine Controls/Emissions - DTC P0420 Revision
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Controls/Emissions - DTC P0420 Revision

Bulletin No.: 04-06-04-083

Date: November 12, 2004

SERVICE MANUAL UPDATE

Subject:
Revised DTC P0420 Catalyst System Low Efficiency

Models:
1996-2001 Chevrolet/Geo Metro
1996-2004 Chevrolet/Geo Tracker
1996-1997 Pontiac Sunrunner
1996-2001 Pontiac Firefly





Built with the engines shown.

This bulletin is being issued to revise Step 8 of DTC P0420 Catalyst System Low Efficiency in the Engine Controls sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.





The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.





Disclaimer
pro multis · About Operation CHARM