P0201moderate severityPowertrain

Injector Circuit/Open - Cylinder 1

on 2003 Volvo XC90 3.2L I6 · AWD

What this code means

Open circuit detected in the cylinder 1 fuel injector circuit.

Symptoms

  • Check Engine Light
  • Misfire cylinder 1
  • Rough idle
  • Loss of power

Common causes

  • Faulty injector #1
  • Open wiring to injector
  • PCM driver failure
  • Corroded connector

Diagnostic steps

  1. Test injector #1 resistance (typically 11-18 ohms)
  2. Check wiring continuity
  3. Swap injector with known good cylinder
  4. Check PCM output

Repair notes

Replace injector #1 or repair wiring.

Other Powertrain codes on this vehicle

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