LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (ENGINE CONTROLS - 6.6L - DIAGNOSIS (DTCs P0016-P0401)) >> DTC P0168 >> Circuit/System Verification

Circuit/System Verification

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

The Fuel Temperature and ECT Temperature parameters should closely match each other when the engine has not been started and soaked overnight.