OBD Guide

P238E

Water in Fuel Sensor B Circuit Intermittent

P238E is an OBD-II diagnostic trouble code meaning: Water in Fuel Sensor B Circuit Intermittent. Common causes: water in fuel sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–67 (est.)

Symptoms

  • Check Engine Light Is On
  • Floating engine speed
  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine

Causes

  • Water in fuel sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor contact corrosion
  • Wiring harness damage

How to Fix

  1. Check the condition of the water in fuel sensor
  2. Inspect the sensor connector and wiring for damage.
  3. Check the resistance and voltage in the sensor circuit
  4. Clean the sensor contacts from corrosion
  5. If necessary, replace the water in fuel sensor

Related codes

Error P238E by Vehicle Brand

FAQ

What does the P238E code mean?

P238E is an OBD-II diagnostic trouble code that indicates: Water in Fuel Sensor B Circuit Intermittent

What causes a P238E error code?

The most common causes of P238E include: Water in fuel sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor contact corrosion.

How do I fix a P238E diagnostic trouble code?

To fix P238E: Check the condition of the water in fuel sensor. Inspect the sensor connector and wiring for damage.. Check the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P238E?

Yes, but get it checked soon

How much does it cost to fix P238E?

The estimated repair cost for P238E is $28–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat