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P1406 Saturn

P1406 Saturn - EGR Valve Pintle Position Circuit

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P1406 Saturn Comments |  Add Comment
Possible causes
- Faulty Exhaust Gas Recirculation (EGR) valve
- Carbon blockage of the pintle
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Tech notes
The P1406 code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. Start by cleaning the EGR valve.
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When is the code detected?
The EGR pintle position was ±10% of the expected position.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1406 Saturn Description

The Powertrain Control Module (PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation (EGR) position and the learned closed EGR position vary by more than a predetermined value. The PCM tests for a stuck valve when the desired EGR position is at 0%. The PCM commands the EGR valve to 100% during certain driving conditions in order to clear a possible restriction from the EGR valve if the PCM determines that the valve is stuck open.

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SATURN Technical Service Bulletins for P1406 code
1996 SATURN SATURN Unknown Or Other Details
1997 SATURN SATURN Unknown Or Other Details
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