Home/Oldsmobile/Aurora/Oldsmobile Aurora I (1994-1999)/Repair manual/Testing & Diagnostics/DTC P1406 - EGR VALVE PINTLE POSITION CIRCUIT

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DTC P1406 - EGR VALVE PINTLE POSITION CIRCUIT Oldsmobile Aurora I

Testing & Diagnostics

Note. For circuit reference, see DTC P0101 schematic.

Circuit Description

This test checks for a malfunction in the circuitry and hardware of the EGR valve. This diagnostic runs 3 tests to check EGR valve power and feedback circuits and controllability of the valve. If any of these test fails, DTC will set.