P2018Intake Manifold Runner Position Sensor/Switch Circuit Intermittent (Bank 1)
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- How the car detects it
- P2018 belongs to bank 1 and covers a flap position signal that drops out or jumps for short moments while it otherwise stays within limits, so neither the low nor the high code matures. Few makers publish it. Mitsubishi lists P2018 for the 2022 and 2023 Outlander with the 2.5 litre PR25DD engine as a bank 1 fault of the sensor that reports where the runner valve stands, logged after two trips with the warning lamp; a 2023 bulletin added its diagnostic page to the service manual. CARB requires such input components to be watched for circuit faults, which is why erratic feedback earns its own code. Loose pins, a cracked wire near the manifold or a worn sensor track are the usual suspects.
- What you may notice
- Warning lamp that comes and goes
- Often no noticeable change in driving
- Likely causes
- LikelyLoose or fretted pins in the sensor connector
- PossibleWire cracked by engine movement or heat near the manifold
- PossibleWorn resistive track in the position sensor
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Often possible to do yourself.Typical cost: €20 – €450
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.