On-board diagnostic (OBD) codes help mechanics and vehicle owners identify possible issues in a vehicle. To troubleshoot and resolve these problems, it’s important to know what these codes mean.
Code P2293 is one of many trouble codes that can be logged and retrieved from the OBD system. Here is some helpful information that can help you understand what getting this code can mean for your vehicle.
Diagnostic trouble code (DTC) P2293 stands for “Fuel Pressure Regulator 2 Performance.” This code is logged when the powertrain control module (PCM) detects that the fuel pressure regulator is not operating properly.
On this kind of system there is one fuel pressure regulator in the high pressure pump and a second regulator in the end of the fuel rail. The regulator in the pressure pump is operated with a duty cycle carefully timed to control pump volume based on the pump’s piston strokes. Fuel Pressure Regulator 2 is an actuator that precisely controls fuel rail pressure based on feedback from the fuel rail pressure sensor.
Typically a “Performance” code like this one indicates that the ECM/PCM sent a command and determined that the commanded target wasn’t met.
The fuel pressure regulator keeps the fuel pressure steady and lets the fuel system release excessive fuel in the fuel rail back to the fuel tank. It can be found built into the fuel rail assembly in some vehicles. If the vehicle has a returnless fuel supply, the regulator is a part of the fuel pump module inside of the tank.
The PCM controls returnless fuel systems. Once the PCM has detected that the fuel pressure commanded is not within specifications on fuel pressure regulator designated 2, it will set error code P2293.
Depending on the severity of the problem, related error codes might also be stored with this DTC. Code P2293 is similar to error codes P2294, P2295, and P2296.
Note: The definition of code P2293 might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.
Different makes and models can set the error code P2293. But this does not mean that there is a one-size-fits-all approach to diagnosing its underlying cause. The steps for troubleshooting this code will vary depending on your vehicle.
Check out the videos below to get an idea of what the diagnostic process for this code might involve:
Code P2293 shares similar triggers and symptoms with other engine codes. However, the appropriate diagnostic and repair procedure will depend on the specifications of your vehicle. If you’re unfamiliar with auto repair, it’s best to leave the job to a mechanic.
If you’re considering troubleshooting this code, it’s a good idea to refresh your automotive knowledge before attempting any fixes. Consult a vehicle-specific repair manual or an online repair database to learn the appropriate diagnostic procedures for this code.
If you have a faulty fuel pressure regulator, it’s best to stop driving your vehicle while waiting for a replacement. Fuel system issues are some of the most expensive to repair, so you want to prevent additional problems from cropping up. Fortunately, CarParts.com can quickly deliver your new fuel pressure regulator to your doorstep.
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