OBD Guide

P020D

Cylinder 4 Injection Timing

P020D is an OBD-II diagnostic trouble code meaning: Cylinder 4 Injection Timing. Common causes: malfunction of the fuel injector of cylinder 4, problems with the injector wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine operation
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Misfire in cylinder 4

Causes

  • Malfunction of the fuel injector of cylinder 4
  • Problems with the injector wiring harness
  • Poor contact in the injector connector
  • Engine control unit malfunction
  • Mechanical damage to the injector

How to Fix

  1. Check the condition of the wiring harness and injector connector
  2. Measure the injector resistance
  3. Check the control signal from the ECU
  4. Clean or replace the nozzle if necessary
  5. Reset error and test drive

Related codes

Error P020D by Vehicle Brand

FAQ

What does the P020D code mean?

P020D is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Injection Timing

What causes a P020D error code?

The most common causes of P020D include: Malfunction of the fuel injector of cylinder 4; Problems with the injector wiring harness; Poor contact in the injector connector; Engine control unit malfunction.

How do I fix a P020D diagnostic trouble code?

To fix P020D: Check the condition of the wiring harness and injector connector. Measure the injector resistance. Check the control signal from the ECU. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P020D?

Limited driving only, diagnose soon

How much does it cost to fix P020D?

The estimated repair cost for P020D is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat