OBD Guide

P020B

Cylinder 2 Injection Timing

P020B is an OBD-II diagnostic trouble code meaning: Cylinder 2 Injection Timing. Common causes: malfunction of the fuel injector of cylinder 2, 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
  • Power Loss
  • Misfires
  • Check Engine Light Illuminates

Causes

  • Malfunction of the fuel injector of cylinder 2
  • Problems with the injector wiring harness
  • Short circuit or open circuit in the injector control circuit
  • ECU malfunction
  • Engine mechanical problems (rare)

How to Fix

  1. Check resistance and operation of injector cylinder 2
  2. Inspect the wiring harness and injector connectors for damage.
  3. Check the injector control circuit for an open or short circuit.
  4. Test the operation of the ECU
  5. If necessary, replace the injector or repair the wiring harness

Related codes

Error P020B by Vehicle Brand

FAQ

What does the P020B code mean?

P020B is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Injection Timing

What causes a P020B error code?

The most common causes of P020B include: Malfunction of the fuel injector of cylinder 2; Problems with the injector wiring harness; Short circuit or open circuit in the injector control circuit; ECU malfunction.

How do I fix a P020B diagnostic trouble code?

To fix P020B: Check resistance and operation of injector cylinder 2. Inspect the wiring harness and injector connectors for damage.. Check the injector control circuit for an open or short circuit.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P020B?

Limited driving only, diagnose soon

How much does it cost to fix P020B?

The estimated repair cost for P020B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat