OBD Guide

P2D86

Fuel Temperature Sensor A/B Correlation

P2D86 is an OBD-II diagnostic trouble code meaning: Fuel Temperature Sensor A/B Correlation. Common causes: fuel temperature sensor a or b 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 comes on
  • Increased fuel consumption
  • Deterioration of vehicle dynamics
  • Unstable engine operation at idle
  • Scanner data errors

Causes

  • Fuel temperature sensor A or B malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Problems with the engine control module
  • Sensors are dirty or damaged

How to Fix

  1. Check fuel temperature sensor readings using a scanner
  2. Inspect the wiring and sensor connectors for damage
  3. Check sensor resistance according to manufacturer specifications
  4. Replace faulty fuel temperature sensor
  5. Clean contacts and connectors if necessary

Related codes

Error P2D86 by Vehicle Brand

FAQ

What does the P2D86 code mean?

P2D86 is an OBD-II diagnostic trouble code that indicates: Fuel Temperature Sensor A/B Correlation

What causes a P2D86 error code?

The most common causes of P2D86 include: Fuel temperature sensor A or B malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Problems with the engine control module.

How do I fix a P2D86 diagnostic trouble code?

To fix P2D86: Check fuel temperature sensor readings using a scanner. Inspect the wiring and sensor connectors for damage. Check sensor resistance according to manufacturer specifications. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D86?

Yes, but get it checked soon

How much does it cost to fix P2D86?

The estimated repair cost for P2D86 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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