P2293

Fuel Pressure Regulator B Performance

Q: Is it safe to drive with P2293?

Light driving is usually possible, but unstable fuel pressure can cause stalling or a no-restart, so repair it promptly.

Q: Can I just clear P2293?

It will return as soon as the module sees pressure out of range again unless the underlying fuel fault is fixed.

Fuel & air metering Generic OBD-II Medium

What it means

P2293 means fuel pressure regulator B is not holding rail pressure within the expected range — the actual fuel pressure differs from what the ECM commands. That can cause hard starting, hesitation, reduced power, and in some cases stalling, so it is worth diagnosing promptly.

Medium

Can I keep driving? Drivable but expect hard starting, hesitation, or reduced power — fuel pressure that drifts out of range can cause stalling, so fix it soon.

Real-world scan data

Seen in

111

scans in the past year

Found in

<0.1%

of scans

<0.1%

of scans that found faults

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Loss of power or poor acceleration
Hard starting or long cranking
Rough idle, hesitation, or possible stalling
Check-engine light on

Common causes

Most likely first

Faulty fuel pressure regulator (regulator B)Likely
Weak or failing fuel pumpCommon
Restricted fuel filter or kinked supply/return lineCommon
Faulty fuel pressure sensor or its wiringLess often
Fuel leak lowering rail pressureLess often

How to diagnose & fix

Work through it in order

Read freeze-frame data and check for companion fuel-pressure codes (P0087, P0088).
Measure actual fuel rail pressure with a mechanical gauge and compare to spec.
Inspect for a clogged fuel filter and kinked or restricted fuel lines.
Verify the fuel pump delivers rated pressure and volume.
Replace the pressure regulator if pressure stays out of range with good supply, then clear and re-test.

FAQ

Quick answers

Is it safe to drive with P2293?+

Light driving is usually possible, but unstable fuel pressure can cause stalling or a no-restart, so repair it promptly.

Can I just clear P2293?+

It will return as soon as the module sees pressure out of range again unless the underlying fuel fault is fixed.

Read & clear P2293 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX