gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

DTC P1404 (False Low EGR Valve Pintle Position) Signals|Page 5700 > < DTC P1404 (False Low EGR Valve Pintle Position) Signals|Page 5698
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EGR Valve: Description and Operation

Exhaust Gas Flow

EGR Valve Subassemblies

DESCRIPTION

The control module command exclusively operates the linear Exhaust Gas Recirculation (EGR) valve. The control module monitors the following
various engine parameters:

^

The Throttle Position (TP) sensor.

^

The Manifold Absolute Pressure (MAP).

DTC P1404 (False Low EGR Valve Pintle Position) Signals|Page 5700 > < DTC P1404 (False Low EGR Valve Pintle Position) Signals|Page 5698