The OBD code P0021 for Ford indicates a camshaft position timing overadvanced or system performance issue in Bank 2. Symptoms include the Engine Light ON, lack of power, and rough idle.
Causes range from low/dirty engine oil to faulty VCT solenoid or camshaft position sensor.
This issue should be addressed promptly to prevent engine damage.
A possible fix involves inspecting and repairing wiring harnesses and connectors related to the VCT solenoid and camshaft position sensor.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the Ford p0021 OBD Code
The engine may exhibit poor performance and have issues with timing due to fault code P0021.
- With Ford OBD code P0021, the Engine Light will be ON.
- Lack/Loss of power may be experienced.
- Engine rough idle can occur.
Causes of the Ford p0021 OBD Code
P0021 in Ford indicates a timing overadvanced condition in the engine’s camshaft position.
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- P0021 can be caused by Low or Dirty Engine Oil.
- Incorrect camshaft timing.
- Faulty Variable Camshaft Timing (VCT) Bank 2 Solenoid 1 (VCT21).
- Faulty Camshaft Position (CMP) Bank 2 Sensor 1 (CMP21).
- Variable Camshaft Timing Bank 2 Solenoid 1 circuit is open or shorted.
- Variable Camshaft Timing Bank 2 Solenoid 1 circuit poor electrical connection.
- Camshaft Position Bank 2 Sensor 1 circuit is open or shorted.
- Camshaft Position Bank 2 Sensor 1 circuit poor electrical connection.
- Faulty Variable Camshaft Timing Phaser.
Fixing Ford Error Code p0021 Step By Step
Address the issue by inspecting the camshaft position sensor and related wiring for faults or damage.
- To fix the Ford OBDII code P0021, start by reviewing the possible causes related to the code.
- Visually examine the wiring harness and connectors associated with the camshaft position actuator solenoid.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If any issues are found during the inspection, repair or replace the damaged wiring or connectors accordingly.
- Clear the fault code from the vehicle’s computer using a scan tool.
- Start the engine and monitor the camshaft position actuator solenoid’s operation to ensure the code does not return.
Cost Of Fixing Ford p0021 Fault Code
Diagnosing and repairing fault code P0021 on a Ford vehicle typically involves addressing the camshaft position timing overadvanced issue.
The cost to diagnose and fix the Ford OBD code P0021 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs may vary based on shop rates, complexity of the issue, and any additional parts or services needed.
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Details of the Ford p0021 OBD Code
Ford code P0021 indicates a timing overadvanced condition on the intake camshaft bank 2.
OBD code P0021 for Ford vehicles indicates a camshaft position timing overadvanced or system performance issue on bank 2. This code is triggered by the Engine Control Module (ECM) when it detects that the camshaft timing for bank 2 is too advanced compared to the desired position.
The component that triggers this fault code is typically the camshaft phaser or the variable valve timing (VVT) solenoid on bank 2. These components are responsible for adjusting the camshaft timing to optimize engine performance and efficiency.
The signal or system involved in this fault code is the camshaft position sensor, which monitors the position of the camshaft and sends this information to the ECM.
When the ECM detects that the camshaft timing is overadvanced on bank 2, it will trigger code P0021 to alert the driver of a potential issue with the camshaft timing system.
Mechanic’s Tech Notes
Detailed information on Ford code P0021, which indicates a camshaft position timing overadvanced or system performance issue.
To diagnose and fix OBDII code P0021 on a Ford, start by checking the wiring harness and connectors related to the camshaft position actuator solenoid.
Use a voltmeter to test for proper voltage and continuity.
Inspect the connector pins for any damage, corrosion, or poor connections.
If the wiring looks good, the issue may lie with the camshaft position actuator solenoid itself.
Test the solenoid’s resistance and operation using a scan tool.
If necessary, replace the solenoid and clear the code.
Remember to verify proper oil levels and quality, as low oil pressure can also trigger this fault code.
FAQ
Common causes of OBD code P0021 in a Ford vehicle include low/dirty engine oil, incorrect camshaft timing, faulty VCT solenoid/sensor, or wiring/connectivity issues.
OBD code P0021 in a Ford indicates issues with camshaft timing. Driving with this code can cause engine damage. Check and repair related components promptly.
Diagnose P OBD code by checking for low/dirty engine oil, incorrect camshaft timing, or faulty VCT solenoid/sensor. Inspect wiring harness/connectors for damage.
Wrap Up
If your Ford is displaying OBD code P0021, you may experience rough idling, decreased fuel efficiency, or engine stalling.
This code typically indicates an issue with the camshaft position sensor, faulty wiring connections, or low engine oil levels affecting the variable valve timing system.
To address Ford OBD code P0021, start by inspecting the camshaft position sensor and its wiring harness for any signs of damage or corrosion.
Check the engine oil level and quality, ensuring it meets manufacturer specifications.
Consider replacing the camshaft position sensor if necessary to restore proper engine performance.
