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DTC DATABASE • OBD-II
P0202

Injector 2 Circuit Fault

This page explains common reasons this code appears and what should be checked before parts are replaced.

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Common causes

What can trigger P0202?

  • Injector electrical fault
  • Harness / connector issue
  • ECU injector driver fault
Typical symptoms

What you may notice

  • Misfire
  • Rough running
  • Cylinder contribution issue

Do not diagnose from the code alone

The code alone does not identify the failed part. Live data, wiring checks and manufacturer-specific subcodes may be required before replacing components.

Full scanLive dataWiring checksSensor plausibilityECU / module communication
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