P2294 OBD-II Trouble Code: Fuel Pressure Regulator 2 Control Circuit/Open

Our certified mechanics come to you · 12-month, 12,000-mile warranty

SCHEDULE P2294 DIAGNOSTIC Get a fair and transparent estimate upfront
Red-stars EXCELLENT RATING ON

Cost of diagnosing the P2294 code

P2294 is a diagnostic trouble code (DTC) for "Fuel Pressure Regulator 2 Control Circuit/Open". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $70.00. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $30.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$70.00$30.00
Toyota$70.00$30.00
BMW$70.00$30.00
SCHEDULE P2294 DIAGNOSTIC Get a fair and transparent estimate upfront

Check Engine Light

P2294 code definition

Fuel Pressure Regulator 2 Control Circuit/Open

What the P2294 code means

When trouble code P2294 sets, it means that the Engine Control Module (ECM) has detected a malfunction in the control circuit of the fuel pressure regulator.

What causes the P2294 code?

Most of the faults associated with this code will be electrical in nature. This means that there is nothing mechanically wrong with the engine, but the there is an electrical breakdown happening in the wiring or connectors. This could be wiring that has gotten brittle due to heat from the engine, or a terminal in a connector having poor tensions, causing a poor connection in the circuit for the fuel pressure regulator.

A mechanical fault that would cause this code could be a problem with the high pressure fuel pump. If the high pressure fuel pump is not making enough fuel pressure, then the readings would be low, which would cause the computer to set this code because it is seeing low fuel pressure. This can happen for a couple of reasons:

  • The high pressure fuel pump is driven by a lobe on the camshaft of the engine. This lobe drives a small piston up and down, creating extremely high fuel pressure - typically over 2000 PSI. If the lobe on the camshaft is worn, the piston will not make its full stroke which means lower fuel pressure.

  • Another possibility is that the fuel pump itself is worn.

What are the symptoms of the P2294 code?

The most likely symptom of this code would be loss of power. It is very likely that the ECM will put the car into what is called a “limp home” mode. It does this to avoid damaging the engine in the case that there is low fuel pressure.

How does a mechanic diagnose the P2294 code?

  • As with any diagnostic, my first step is to check all the components of the system involved visually. If there are any pinched wires or loose grounds, fixing those issues after a visual inspection will often times fix the issue.

  • After that, it’s time to check that the in-tank fuel pump, or low pressure fuel pump, is supplying the correct fuel pressure and flow to the high pressure fuel pump.

  • Next is to check the pressure coming from the high pressure fuel pump. This is most often done with a scan tool because there is a fuel pressure sensor located in the high pressure side of the fuel system. This is also done because the majority of high pressure fuel lines are single-use, which means that if you disconnect a line to hook up a gauge, you have to replace that line. This has to do with the type of flare fittings that are used in these systems due to the extremely high pressure. If you reuse a line you are almost certainly asking for a fuel leak.

Diagnosing intermittent electrical problems is extremely difficult and is almost always making the most educated guess you can make. Do a search on VW Golf GTI P2294 and you will find story after story of how difficult this code can be to fix.

Common mistakes when diagnosing the P2294 code

The most common mistake is of course just replacing parts without performing diagnostics. This code can be somewhat difficult and time consuming since a lot of the mechanical components are quite labor intensive to inspect, such as the cam lobe for the high pressure fuel pump.

How serious is the P2294 code?

This code is pretty serious because your engine cannot run without fuel. If there is too little fuel in the combustion mixture, the temperature in the combustion chamber can get so hot that it can damage the components of the engine such as the pistons, valves, or even cylinder heads.

What repairs can fix the P2294 Code?

There are a few common mechanical fixes for this trouble code. The first of which is replacing a faulty high pressure fuel pump. The next mechanical repair would be replacing the camshaft that drives the pump due to a worn lobe. There are few electrical problems that could cause this code as well. They include replacing a faulty fuel pressure sensor and fixing various electrical connection issues in the circuit. The connection issues could be due to a spread terminal in a connector or a wire being rubbed through in the engine wiring harness.

Need help with a P2294 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

trouble codes
Check Engine Light
P2294

Fast and easy Check Engine Light is on Inspection service at your home or office.

SCHEDULE P2294 DIAGNOSTIC
Get a fair and transparent estimate upfront

Recent Check Engine Light is on Inspection reviews

Excellent Rating


YourMechanic Check Engine Light is on Inspection Service

Average Rating

4.5/5

Number of Reviews

3,203

Rating Summary
2,919
140
39
22
83
2,919
140
39
22
83

Nathan

26 years of experience
198 reviews
Nathan
26 years of experience
Nathan was knowledgeable about my car and very educational as well. He explained everything he was doing and why. I admire his attention to detail. He really showed genuine interest and attentiveness to the problem. He’s a great conversationalist and was easy to work with.
2013 CHEVROLET CRUZE - CHECK ENGINE LIGHT IS ON - GLENPOOL, OKLAHOMA

Mack

19 years of experience
72 reviews
Mack
19 years of experience
Very nice and knew what he was doing. Got what I needed done even though was told wrong by the office.
1999 FORD F-150 - CHECK ENGINE LIGHT IS ON - MIDLOTHIAN, TEXAS

Scott

31 years of experience
24 reviews
Scott
31 years of experience
Very nice friendly mechanic. Very helpful with with questions that I had. Offered good advice. He explained some of the problems to me and what should be the next to resolve it before spending unnecessary monies. This was my first time using him and will not be my last. I would recommend him to anyone. Especially women because he does not seem to take advantage of our knowledge of not knowing things about cars.
2001 HYUNDAI ELANTRA - CHECK ENGINE LIGHT IS ON - PARKVILLE, MARYLAND

Tyrone

6 years of experience
61 reviews
Tyrone
6 years of experience
He showed up on time and got my diagnostic done quickly. He also gave me honest recommendations on what I need to do for my car.
2008 HONDA ACCORD - CHECK ENGINE LIGHT IS ON - CULVER CITY, CALIFORNIA

More related articles

P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P0291OBD-II Trouble Code: Cylinder 11 Injector Circuit Low
P0291 code definition When your vehicle’s PCM registers the P0291 code, it means that a voltage reading came from the fuel injector circuit – for cylinder number 11’s fuel injector –...
P0359 OBD-II Trouble Code: Ignition Coil I Primary/Secondary Circuit Malfunction
P0359 code definition The P0359 code indicates that a fault has been detected in one of the vehicle’s ignition coils, generally the number 9 coil. This code can also be associated...

Related questions

Q: P0302 code/CEL. Spark plugs could be cause but not sure

This code relates to a misfire which may be caused by many different reasons. This may be caused by faulty spark plug wires or plugs, a faulty coil pack, faulty O2 sensors or potentially a dirty or clogged fuel injector....

Q: Engine rattling, shaking and loss of power

The VANOS unit or solenoid can cause a rattling sound from the engine. The VANOS is a camshaft timing system which runs off of engine oil pressure. If the oil is the wrong viscosity or the system has a buildup...

Q: Engine will not start and there is a no start fault code p2294.

Hi there. The code P2294 is for the fuel pressure regulator. Check the fuel pressure regulator for power to it and power out. Check the fuel pressure on the rail to ensure that the fuel pump is working properly. What...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1-800-701-6230 · hi@yourmechanic.com