OBD Guide

P020A

Cylinder 1 Injection Timing

P020A is an OBD-II diagnostic trouble code meaning: Cylinder 1 Injection Timing. Common causes: malfunction of the fuel injector of cylinder 1, problems with the injector wiring harness. 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
  • Increased fuel consumption
  • Reduced engine power
  • Misfires

Causes

  • Malfunction of the fuel injector of cylinder 1
  • Problems with the injector wiring harness
  • ECU malfunction
  • Mechanical damage to the injector

How to Fix

  1. Check the condition of the fuel injector of cylinder 1
  2. Check the wiring harness and injector connectors for damage.
  3. Test injector resistance
  4. If necessary, replace the injector or wiring harness
  5. Reset the error and check engine operation

Related codes

Error P020A by Vehicle Brand

FAQ

What does the P020A code mean?

P020A is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Injection Timing

What causes a P020A error code?

The most common causes of P020A include: Malfunction of the fuel injector of cylinder 1; Problems with the injector wiring harness; ECU malfunction; Mechanical damage to the injector.

How do I fix a P020A diagnostic trouble code?

To fix P020A: Check the condition of the fuel injector of cylinder 1. Check the wiring harness and injector connectors for damage.. Test injector resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P020A?

Limited driving only, diagnose soon

How much does it cost to fix P020A?

The estimated repair cost for P020A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat