P1406
P1406 - Exhaust Gas Recirculation (EGR) Position Sensor Performance
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Possible causes
Help with thisSymptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1406 Description
While driving, the EGR monitor commands the EGR valve closed and checks the differential pressure across the EGR orifice. The test fails when the signal from the DPF EGR sensor continues to indicate EGR flow even after the EGR valve is commanded closed.
P1406 Information for specific makes
P1406 BUICK
P1406 CADILLAC
P1406 CHEVROLET
P1406 DODGE
P1406 FORD
P1406 GMC
P1406 PONTIAC
P1406 SATURN
P1406 CADILLAC
P1406 CHEVROLET
P1406 DODGE
P1406 FORD
P1406 GMC
P1406 PONTIAC
P1406 SATURN
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