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P1381

Cylinder Position Sensor A Intermittent

2016-2021 Honda Civic 2.0L I4

Moderate SeverityPowertrain

Description

Intermittent signal from CYP sensor A for sequential fuel injection timing.

Symptoms

  • CEL
  • Intermittent misfires
  • Rough idle
  • Random stumbling

Common Causes

  • Failing CYP sensor
  • Loose connector
  • Damaged distributor
  • Wiring fault

Diagnostic Steps

  1. Test sensor signal
  2. Inspect connector
  3. Check distributor
  4. Wiggle test

Repair Notes

Replace CYP sensor or distributor.

Other Powertrain Codes

P1381 on Other Vehicles

Common Questions

What does code P1381 mean on a 2016-2021 Honda Civic?

P1381 stands for "Cylinder Position Sensor A Intermittent". Intermittent signal from CYP sensor A for sequential fuel injection timing.

What are the symptoms of P1381 on a Honda Civic?

Common symptoms of P1381 include: CEL, Intermittent misfires, Rough idle, Random stumbling.

What causes P1381 on a 2016-2021 Honda Civic?

Common causes of P1381 include: Failing CYP sensor, Loose connector, Damaged distributor, Wiring fault.

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