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Check P0488 Fault Code

When you check engine light came on code P0488 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0488 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0488 Code Reason

P0488 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

P0488 Possible Fix :

If the culprit is a poor fuel pressure regulator, then I suggest looking around for a replacement part and taking your car to your local mechanic for installation. If you're a skilled mechanic, then you should be able to install a new fuel pressure regulator easily. But if you're just starting out, it's always best to have the professionals take care of this job. Believe me, the fuel pressure regulator is not an easy part to install.

P0488 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0488 OBD-II Trouble Code Exhaust Gas Recirculation (

Reason For P0488 Code

The reason of P0488 OBD-II Fault Code Check is P0488 Exhaust Gas Recirculation Throttle Control Circuit A Range/Performance.

P0488 Solution:

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

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