P0192

Fuel Rail Pressure Sensor Circuit Low Bank 1

Fuel system pressure Generic OBD-II High

What it means

P0192 means the fuel rail pressure sensor circuit on bank 1 is reading below its normal voltage range. This sensor reports fuel pressure so the ECM can control the pump and injection, so a faulty low signal can make the ECM misjudge pressure — leading to hard starting, stalling, rough running, or reduced power. Confirm whether it's a sensor fault or genuinely low pressure before replacing parts.

High

Can I keep driving? May be hard to start, stall, or run rough — on direct-injection and diesel engines a bad pressure signal can prevent proper running, so repair soon.

Real-world scan data

Seen in

584

scans in the past year

Found in

0.1%

of scans

0.2%

of scans that found faults

Appears alongside · share of P0192 scans

P0193in 27.7% of scans

P0113in 22.1% of scans

P0183in 19.9% of scans

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

Check-engine light on
Hard starting or no-start
Stalling
Rough idle and hesitation
Reduced power and acceleration

Common causes

Most likely first

Faulty fuel rail pressure sensorLikely
Short-to-ground or other wiring fault in the sensor circuitCommon
Corroded or loose sensor connectorCommon
Genuinely low fuel pressure being reported accuratelyLess often
Less commonly, an ECM/PCM faultLess often

How to diagnose & fix

Work through it in order

Scan and read freeze-frame data, then compare the live rail-pressure reading to a known-good mechanical gauge.
Inspect the sensor wiring and connector for a short or corrosion.
Verify actual fuel pressure to tell a sensor fault from a real pressure problem.
Replace the fuel rail pressure sensor if it reads inaccurately, then clear and retest.

FAQ

Quick answers

Is it safe to drive with P0192?+

Not ideal. The engine may stall, be hard to start, or run poorly because the ECM can't trust the fuel-pressure reading. Repair it soon to avoid being stranded.

Can I just clear P0192?+

It returns until the sensor, wiring, or an actual low-pressure condition is fixed. Confirm real fuel pressure before replacing the sensor.

Read & clear P0192 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