OBD Guide

U0625

Lost Communication With Fuel Rail Pressure Sensor Bank 1

U0625 is an OBD-II diagnostic trouble code meaning: Lost Communication With Fuel Rail Pressure Sensor Bank 1. Common causes: open or short circuit in the sensor circuit, fuel pressure sensor malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Unstable engine idling
  • Possible difficulty starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Fuel pressure sensor malfunction
  • Poor contact in the sensor connector
  • Problems with power or grounding of the sensor
  • ECU malfunction (rare)

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check the sensor connector and contacts for oxidation
  3. Measure resistance and voltage at the sensor
  4. Replace the fuel pressure sensor if necessary
  5. Check and clear error codes after repair

Related codes

Error U0625 by Vehicle Brand

FAQ

What does the U0625 code mean?

U0625 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Fuel Rail Pressure Sensor Bank 1

What causes a U0625 error code?

The most common causes of U0625 include: Open or short circuit in the sensor circuit; Fuel pressure sensor malfunction; Poor contact in the sensor connector; Problems with power or grounding of the sensor.

How do I fix a U0625 diagnostic trouble code?

To fix U0625: Check the integrity of the wiring to the sensor. Check the sensor connector and contacts for oxidation. Measure resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0625?

Limited driving only, diagnose soon

How much does it cost to fix U0625?

The estimated repair cost for U0625 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat