OBD Guide

P03D0

Cylinder 6 Combustion Performance

P03D0 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Combustion Performance. Common causes: spark plug fault, problems with the ignition coil. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Engine vibration

Causes

  • Spark plug fault
  • Problems with the ignition coil
  • Dirty or faulty injector
  • Low cylinder compression
  • Problems with the fuel system
  • Oxygen sensor malfunction

How to Fix

  1. Check and replace spark plug in cylinder 6
  2. Check the ignition coil
  3. Clean or replace fuel injector
  4. Check compression in cylinder
  5. Check the operation of the fuel system
  6. Check oxygen sensor

Related codes

Error P03D0 by Vehicle Brand

FAQ

What does the P03D0 code mean?

P03D0 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Combustion Performance

What causes a P03D0 error code?

The most common causes of P03D0 include: Spark plug fault; Problems with the ignition coil; Dirty or faulty injector; Low cylinder compression.

How do I fix a P03D0 diagnostic trouble code?

To fix P03D0: Check and replace spark plug in cylinder 6. Check the ignition coil. Clean or replace fuel injector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P03D0?

Limited driving only, diagnose soon

How much does it cost to fix P03D0?

The estimated repair cost for P03D0 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat