Code result
P0090
Fuel Pressure Regulator Control Circuit
High severity
What it means
Open circuit at fuel pressure regulator A. The actuator that controls rail pressure cannot be driven.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Wiring break or unplugged connector
highOne of the most commonly reported causes for this code — check this first.
Regulator solenoid open
mediumA plausible cause — test and verify before replacing parts.
Pin pushed back out of connector body
lowLess common, but worth ruling out after the more likely causes.
Related help
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