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2019 HONDA ACCORD
1.5L I4 Turbo•FWD•CVT•gas•turbo
6 active safety recalls on this vehicle — view recalls
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Repairs402Labor502Torque3379Fluid7DTC1574Battery1Maintenance0Recalls6
P0271high severityPowertrain

Cylinder 4 Injection Circuit High

on 2019 Honda Accord 1.5L I4 Turbo · FWD

What this code means

The PCM detects a high voltage condition in the cylinder 4 injector control circuit. This may result in improper fuel delivery to that cylinder.

Symptoms

  • Misfire on cylinder 4
  • Rough idle
  • Reduced engine power

Common causes

  • Faulty cylinder 4 injector
  • Short to voltage in injector wiring
  • Open injector circuit
  • Faulty PCM

Diagnostic steps

  1. Retrieve trouble codes
  2. Check cylinder 4 injector wiring for shorts
  3. Test injector operation
  4. Repair wiring or replace injector
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