OBD Guide

P2E5F

Cylinder 7 Alternative Fuel Misfire Detected

P2E5F is an OBD-II diagnostic trouble code meaning: Cylinder 7 Alternative Fuel Misfire Detected. Common causes: faulty spark plug in cylinder 7, problems with the ignition coil. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • The engine runs rough
  • Power Loss
  • Increased fuel consumption
  • Vibrations at idle
  • Check Engine light comes on

Causes

  • Faulty spark plug in cylinder 7
  • Problems with the ignition coil
  • Low quality alternative fuel
  • Fuel injector malfunction
  • Mechanical problems in the cylinder (wear of piston rings, valves)

How to Fix

  1. Check and replace the spark plug in cylinder 7
  2. Check the ignition coil
  3. Check the quality of alternative fuel
  4. Diagnose and, if necessary, replace the fuel injector
  5. Perform a compression test to check the mechanical condition of the cylinder

Related codes

Error P2E5F by Vehicle Brand

FAQ

What does the P2E5F code mean?

P2E5F is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Alternative Fuel Misfire Detected

What causes a P2E5F error code?

The most common causes of P2E5F include: Faulty spark plug in cylinder 7; Problems with the ignition coil; Low quality alternative fuel; Fuel injector malfunction.

How do I fix a P2E5F diagnostic trouble code?

To fix P2E5F: Check and replace the spark plug in cylinder 7. Check the ignition coil. Check the quality of alternative fuel. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E5F?

Do not drive — repair immediately

How much does it cost to fix P2E5F?

The estimated repair cost for P2E5F is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat