OBD Guide

P2077

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Unstable engine idling
  • Deterioration in acceleration dynamics
  • Increased fuel consumption

Causes

  • IMT valve position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Mechanical failure of IMT valve
  • Problems with power supply to the sensor circuit

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Inspect connectors for corrosion or damage
  3. Check the resistance of the position sensor
  4. Check the mechanical operation of the IMT valve
  5. If necessary, replace the position sensor

Related codes

Error P2077 by Vehicle Brand