LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System & Fuel System - 3.6L - DTC P0335 To DTC P2097) >> DTC P0420 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

The ECM determines that the efficiency of the catalyst has degraded below a calibrated threshold for greater than 4 seconds.

scientia non olet · About LEMON Manuals