OBD code P0077 indicates an issue with the Intake Valve Control Solenoid Bank 1 circuit.
Symptoms include the Engine Light being ON.
The problem is often caused by a faulty solenoid or wiring issues.
While not severe, it can affect engine performance.
To fix, inspect the solenoid, wiring harness, and connectors for any damage or poor connections.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the p0077 OBD Code
The vehicle may experience issues with the Intake Valve Control Solenoid Circuit Low (Bank 1).
- Symptoms: Engine Light ON.
- Possible lack of power during acceleration.
- Engine may run rough or stall at idle.
- Turbocharger may not operate correctly.
Causes of the p0077 OBD Code
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P0077 code typically indicates an issue with the intake valve control solenoid circuit.
- P0077 can be caused by a faulty Intake Valve Control Solenoid Bank 1.
- An open or shorted Intake Valve Control Solenoid Bank 1 harness.
- A poor electrical connection in the Intake Valve Control Solenoid Bank 1 circuit.
Fixing Error Code p0077 Step By Step
Address the issue by inspecting the intake valve control solenoid for proper operation and wiring integrity.
- To fix OBDII code P0077, first, review the possible causes related to the code.
- Visually inspect the wiring harness and connectors associated with the ambient air temperature sensor circuit.
- Check for any damaged components and ensure the connector pins are not broken, bent, pushed out, or corroded.
- If no visible issues are found, test the ambient air temperature sensor using a multimeter to verify its functionality.
- Replace the ambient air temperature sensor if it fails the test.
- Clear the fault codes using an OBDII scanner and test drive the vehicle to ensure the code does not return.
Cost Of Fixing p0077 Fault Code
Diagnosing and repairing fault code P0077 typically involves testing and replacing the ambient air temperature sensor.
The cost to diagnose and fix OBD code P0077 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
The total cost depends on labor rates, shop fees, and the complexity of the repair needed.
Details of the p0077 OBD Code
Fault code P0077 relates to the Intake Valve Control Solenoid Circuit Low (Bank 1).
OBD code P0077 means that the Intake Valve Control Solenoid Circuit is stuck closed.
This code is triggered by the Engine Control Module (ECM) when it detects that the intake valve control solenoid is not functioning properly.
The intake valve control solenoid is part of the variable valve timing system and is responsible for controlling the intake valve timing.
When the solenoid is stuck closed, it can affect engine performance and efficiency.
Mechanic’s Tech Notes
Code P0077 relates to an issue with the Intake Valve Control Solenoid Circuit stuck on bank 1.
OBDII code P0077 relates to an issue with the Intake Valve Control Solenoid Circuit.
To diagnose, use a voltmeter to test the solenoid’s wiring for proper voltage and continuity.
Check the solenoid’s resistance to ensure it falls within the manufacturer’s specifications.
Use a scan tool to monitor the solenoid’s operation and command it on and off to see if it responds correctly.
Visually inspect the wiring harness and connectors for any damage, corrosion, or loose connections.
If everything looks good, the solenoid itself may need replacement.
FAQ
OBD code P0077 indicates an issue with the Intake Valve Control Solenoid Bank 1. Check wiring harness, connectors, and components for damage or corrosion.
Common symptoms of OBD code P0077 include Engine Light ON, caused by issues like a faulty Intake Valve Control Solenoid Bank 1 or related wiring problems. Fix involves inspecting and repairing wiring connections.
Possible causes of OBD code P0077 triggering in a car include a faulty Intake Valve Control Solenoid Bank 1, open/shorted harness, or poor electrical connection.
Wrap Up
If your check engine light is on and you’re experiencing issues with the Intake Valve Control Solenoid Circuit Low (P0077) OBDII code, it could be caused by a faulty intake valve control solenoid, damaged wiring or connectors, or low engine oil level affecting solenoid operation.
To address OBDII code P0077, start by inspecting the wiring and connectors for any signs of damage or corrosion.
Test the intake valve control solenoid for proper operation and replace if necessary to restore normal system function.
