LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P0016 - P049D)) >> Diagnostic Information And Procedures >> DTC P0421: Catalyst 1 Low Efficiency >> Diagnostic Aids

Diagnostic Aids

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

The continuing use of non ultra low sulfur fuel may be a contributor to diesel oxidation catalyst failure.

scientia non olet · About LEMON Manuals