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P03C7

Cylinder 6 Pressure Sensor Circuit

Generic OBD-II

Common symptoms

What you'll notice

Common causes

Most likely first

  1. Faulty cylinder 6 pressure sensor
  2. Loose or damaged wiring connections in the cylinder 6 pressure sensor circuit
  3. Engine timing issues affecting cylinder 6
  4. Low engine compression in cylinder 6
  5. Faulty engine control module (ECM) or powertrain control module (PCM)

How to diagnose & fix

Work through it in order

  1. Engine misfire or rough idle
  2. Poor fuel efficiency
  3. Decreased engine performance
  4. Engine stalling or hesitation
  5. Check engine light illuminating

Read & clear P03C7 yourself

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