OBD Guide

P0168

Fuel Temperature Too High

P0168 is an OBD-II diagnostic trouble code meaning: Fuel Temperature Too High. Common causes: fuel temperature sensor malfunction, problems with the fuel cooling system. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Reduced engine power
  • Engine overheating
  • Increased fuel consumption
  • Unstable engine idling

Causes

  • Fuel temperature sensor malfunction
  • Problems with the fuel cooling system
  • Fuel tank overheating
  • Electrical wiring fault
  • Problems with the ECU

How to Fix

  1. Check fuel temperature sensor
  2. Check the fuel cooling system
  3. Make sure that the fuel tank does not overheat
  4. Check electrical wiring and contacts
  5. If necessary, replace the fuel temperature sensor or ECU

Related codes

Error P0168 by Vehicle Brand

FAQ

What does the P0168 code mean?

P0168 is an OBD-II diagnostic trouble code that indicates: Fuel Temperature Too High

What causes a P0168 error code?

The most common causes of P0168 include: Fuel temperature sensor malfunction; Problems with the fuel cooling system; Fuel tank overheating; Electrical wiring fault.

How do I fix a P0168 diagnostic trouble code?

To fix P0168: Check fuel temperature sensor. Check the fuel cooling system. Make sure that the fuel tank does not overheat. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0168?

Limited driving only, diagnose soon

How much does it cost to fix P0168?

The estimated repair cost for P0168 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat