2018 Mitsubishi P0340: What It Means & Is It Safe to Drive?

P0340 on the 2018 Mitsubishi: Camshaft Position Sensor Circuit Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.

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What this code means

The PCM is not receiving a valid signal from the camshaft position sensor. Affects ignition timing and fuel injection.

Common causes on the 2018 Mitsubishi

  • Failed camshaft position sensor
  • Wiring or connector issue
  • Timing chain/belt misalignment (less common)

Symptoms

  • Check Engine Light
  • No start or hard start
  • Rough run, stalling
  • Reduced power

Typical fixes

  • Replace camshaft position sensor
  • Repair wiring/connector
  • Verify timing if sensor replacement doesn't fix

Repair cost range

For a 2018 Mitsubishi, repairs for P0340 typically fall between $100 and $500, depending on the root cause and labor rates in your area.

Known issues on Mitsubishi

Mitsubishi 4G69 P0340 cam sensor fault is typically a failed intake cam position sensor. On the Evo X 4B11T, P0340 can be related to the MIVEC control system—check for MIVEC solenoid codes. Clean or replace the VVT solenoid before assuming the cam sensor itself has failed.

Most commonly affected models

Outlander 2.4L 4G69 2004–2012Lancer Evolution X 4B11T 2008–2015

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