P0090 Acura Fuel Pressure Regulator Control Circuit

P0090 Acura Fuel Pressure Regulator Control Circuit

Possible causes
– Faulty fuel pressure sensor
– Fuel pressure sensor harness is open or shorted
– Fuel pressure sensor electrical circuit poor connection
– Faulty Engine Control Module (ECM)
What about the obd code?
If the current is outside of the expected range, DTC P0090 Acura will set.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0090 Acura Description

The Engine Control Module (ECM) supplies power and ground to the Fuel Rail Pressure (FRP) regulator. The ECM monitors current on the circuits to detect a failure.

Acura Vehicle:

Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX