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2016 HONDA CIVIC
1.5L I4 Turbo•FWD•CVT•gas•turbo
5 active safety recalls on this vehicle — view recalls
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Repairs403Labor503Torque3385Fluid7DTC1915Battery1Maintenance0Recalls5
P0471moderate severityPowertrain

Exhaust Pressure Sensor Range/Performance

on 2016 Honda Civic 1.5L I4 Turbo · FWD

What this code means

The exhaust pressure sensor signal is present but does not match expected values under operating conditions. Readings are implausible compared to engine load and RPM.

Symptoms

  • Check engine light on
  • Erratic engine performance
  • Increased exhaust emissions

Common causes

  • Restricted or leaking sensor tube
  • Faulty exhaust pressure sensor
  • Contaminated or sooted sensor
  • Wiring resistance issues

Diagnostic steps

  1. Retrieve code and review freeze frame
  2. Inspect pressure tube for soot or restriction
  3. Verify sensor readings against actual pressure
  4. Replace sensor if out of specification
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