Catalytic Converter System

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DTC Troubleshooting

DTC P0420: Catalyst System Efficiency Below Threshold NOTE: - Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see pa ...

See also:

Cylinder Head
Component Location Index (cont'd) Engine Compression Inspection NOTE: After this inspection, you must reset the engine control module (ECM)/powertrain control module (PCM), otherwise the ECM ...

Anti-lock Brakes (ABS)
The anti-lock brake system (ABS) helps prevent the wheels from locking up, and helps you retain steering control by pumping the brakes rapidly, much faster than a person can do it. The elec ...

DTC Troubleshooting Index
NOTE: Before you troubleshoot record all freeze data and any on-board snapshot with the HDS, and review General Troubleshooting Information (see page 14-4). NOTE: *1: The DTC in parentheses is ...