OBD Guide
ENFRDEESPT

P12C1

Cylinder 8 Injection Timing Related

P12C1 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Injection Timing Related. Common causes: cylinder 8 injector malfunction, problems with the injector electrical circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Power Loss
  • Dips during acceleration
  • Check Engine Light Illuminates

Causes

  • Cylinder 8 injector malfunction
  • Problems with the injector electrical circuit
  • Engine ECU malfunction
  • Nozzle contamination
  • Mechanical damage to the fuel system

How to Fix

  1. Check the condition of the injector of cylinder 8
  2. Diagnose the injector electrical circuit
  3. Check the injection system operating parameters
  4. Clean or replace the nozzle if necessary
  5. Update engine ECU firmware

Related codes

P12C2P12C0P0208

FAQ

What does the P12C1 code mean?

P12C1 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Injection Timing Related

What causes a P12C1 error code?

The most common causes of P12C1 include: Cylinder 8 injector malfunction; Problems with the injector electrical circuit; Engine ECU malfunction; Nozzle contamination.

How do I fix a P12C1 diagnostic trouble code?

To fix P12C1: Check the condition of the injector of cylinder 8. Diagnose the injector electrical circuit. Check the injection system operating parameters. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P12C1?

Limited driving only, diagnose soon

How much does it cost to fix P12C1?

The estimated repair cost for P12C1 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat