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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 830 (3.0L Diesel - DTCS P0001-00 To P0202-00 - 1500) >> Diagnosis And Testing >> P0090-00-Fuel Pressure 1 Control Circuit/Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(K646) FUEL PRESSURE REGULATOR CONTROL CIRCUIT OPEN/HIGH RESISTANCE
(K369) FUEL PRESSURE REGULATOR RETURN CIRCUIT OPEN/HIGH RESISTANCE
FUEL PRESSURE REGULATOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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