Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that a part of the car's engine, called the intake manifold, isn't working right. It's like a door that opens and closes to let air into the engine, and the sensor that checks this door isn't seeing what it expects.
The P2077 code is triggered when the Engine Control Module (ECM) detects a low voltage signal from the Intake Manifold Tuning (IMT) Valve Position Sensor/Switch on Bank 1.
The Intake Manifold Tuning Valve is responsible for adjusting the airflow into the engine to optimize performance and efficiency. The position sensor/switch monitors the valve's position and sends this information to the ECM. A low circuit signal indicates an issue with the sensor or its wiring, affecting the engine's air intake regulation.
• Check Engine Light is on
• Reduced engine performance
• Poor fuel economy
• Faulty IMT valve position sensor
• Damaged or corroded wiring/connectors
• Faulty ECM
ECM: Engine Control Module
IMT: Intake Manifold Tuning
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the IMT valve position sensor for proper function.
• Repair or replace damaged wiring/connectors.
• Replace the IMT valve position sensor if faulty.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford Focus
• Chevrolet Malibu
• Honda Accord
• Regular maintenance checks
• Keep engine components clean
• Inspect wiring for wear and tear
Sensor Issue
• Have the vehicle inspected by a professional.
• Avoid driving with the Check Engine Light on for extended periods.
Check with the vehicle manufacturer for warranty coverage on engine components.
This code has been associated with intake manifold issues in various models, often due to sensor or wiring problems.
Moderate – Should be addressed to prevent further engine performance issues.
Driving with a malfunctioning engine component can lead to increased emissions and may not pass vehicle inspections.
• Engine at operating temperature
• Vehicle in idle or low-load conditions
The IMT valve and sensor are typically located on the intake manifold, which is on top of the engine.
Q: Can I drive with a P2077 code?
A: It's not recommended to drive for long periods with this code active, as it can lead to poor engine performance and increased emissions.
Q: How do I reset the Check Engine Light after repair?
A: Use an OBD-II scanner to clear the code after repairs are completed.
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