Turbocharger Inlet Pressure Sensor B Circuit Intermittent or Erratic
Same as P2374 but the signal is intermittent or has spikes that the ECU cannot reconcile - typically a wiring or connector fault.
Affected components
- Turbo inlet pressure sensor b
- Turbo inlet pressure wiring b
Common causes
- High likelihood: Intermittent contact at connector or terminal
- Medium likelihood: Harness chafed or pinched
- Low likelihood: Connector with intermittent contact under vibration
Possible symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.