Applicable Systems
OBD-II

Symptoms

Cylinder 6 misfiring; applies to V6 and larger engines; rough idle and CEL.

Possible Causes

  • Spark plug
  • Ignition coil
  • Fuel injector
  • Low compression

Troubleshooting Steps

  1. Step 1: Swap test
    Identify faulty component
  2. Step 2: Compression test
    Within spec
  3. Step 3: Injector test
    Injector OK
  4. Step 4: Replace bad part
    No misfire
  5. Step 5: Clear code
    No return

How to Reset

Clear with OBD-II scanner.

Common Replacement Parts

  • Spark Plug
  • Ignition Coil

Frequently Asked Questions

  • Q: Can low fuel pressure cause misfire?

    Low fuel pressure typically causes multiple misfires (P0300), not single-cylinder. Single-cylinder misfire is usually spark or injector related.

Related OBD-II Generic (SAE J2012) Fault Codes

Source: SAE J2012 standard DTC list + OBD-II portal

Category: OBD-II