OBD Guide

P0294

Cylinder 12 Injector A Circuit Low

P0294 is an OBD-II diagnostic trouble code meaning: Cylinder 12 Injector A Circuit Low. Common causes: open or short circuit in the injector circuit, cylinder 12 injector malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Misfire in cylinder 12
  • Reduced engine power
  • Increased fuel consumption
  • Unstable idle
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in the injector circuit
  • Cylinder 12 injector malfunction
  • Wiring Harness Problems
  • ECU malfunction

How to Fix

  1. Check the integrity of the injector circuit of cylinder 12
  2. Check injector resistance
  3. Inspect the wiring harness for damage
  4. Check the operation of the computer
  5. Replace the injector if necessary

Related codes

Error P0294 by Vehicle Brand

FAQ

What does the P0294 code mean?

P0294 is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Injector A Circuit Low

What causes a P0294 error code?

The most common causes of P0294 include: Open or short circuit in the injector circuit; Cylinder 12 injector malfunction; Wiring Harness Problems; ECU malfunction.

How do I fix a P0294 diagnostic trouble code?

To fix P0294: Check the integrity of the injector circuit of cylinder 12. Check injector resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0294?

Limited driving only, diagnose soon

How much does it cost to fix P0294?

The estimated repair cost for P0294 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat