OBD Guide

P238D

Water in Fuel Sensor B Circuit High

P238D is an OBD-II diagnostic trouble code meaning: Water in Fuel Sensor B Circuit High. Common causes: water in fuel sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Possible problems starting the engine
  • Reduced engine power
  • Increased fuel consumption
  • In some cases there may be no symptoms

Causes

  • Water in fuel sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Corroded contacts or damaged wiring
  • Problems with the engine control unit

How to Fix

  1. Check the condition of the fuel for the presence of water
  2. Inspect the sensor and its connector for damage
  3. Check the integrity of wiring and contacts
  4. Measure the sensor resistance (compare with standards)
  5. If necessary, replace the water in fuel sensor

Related codes

Error P238D by Vehicle Brand

FAQ

What does the P238D code mean?

P238D is an OBD-II diagnostic trouble code that indicates: Water in Fuel Sensor B Circuit High

What causes a P238D error code?

The most common causes of P238D include: Water in fuel sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corroded contacts or damaged wiring.

How do I fix a P238D diagnostic trouble code?

To fix P238D: Check the condition of the fuel for the presence of water. Inspect the sensor and its connector for damage. Check the integrity of wiring and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P238D?

Yes, but get it checked soon

How much does it cost to fix P238D?

The estimated repair cost for P238D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat