P0021 2012 Ford Fusion Code - Intake Camshaft Position Timing Over Advance Bank 2
Quick Answer
The Powertrain Control Module (PCM) monitors the Variable Camshaft Timing (VCT) position for an over-advanced camshaft timing. Common causes include Camshaft timing incorrectly set, Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber, Erratic camshaft position due to low oil pressure. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0021 2012 Ford Fusion indicates Intake Camshaft Position Timing Over Advance Bank 2.
- Common causes
- Common causes include Camshaft timing incorrectly set, Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber, Erratic camshaft position due to low oil pressure.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0021 2012 Ford Fusion Description
What are the Possible Causes of the DTC P0021 2012 Ford Fusion?
- Camshaft timing incorrectly set
- Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber
- Erratic camshaft position due to low oil pressure
- Oil flow restriction in the oil passages or the VCT valve body
- Faulty Variable Camshaft Timing
- Variable Camshaft Timing harness is open or shorted
- Variable Camshaft Timing circuit poor electrical connection
- Damaged camshaft position (CMP) sensor
- Open or short in the CMP sensor circuits
- Radio frequency interference (RFI) interference
How to Fix the DTC P0021 2012 Ford Fusion?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0021 2012 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0021 2012 Ford Fusion Code
1. What are the common symptoms of OBDII code P0021 in a 2012 Ford Fusion?
The common symptoms of code P0021 in a 2012 Ford Fusion include rough idling, decreased fuel efficiency, engine misfires, and a noticeable reduction in overall engine performance.
2. What does the OBDII code P0021 indicate in a 2012 Ford Fusion?
OBDII code P0021 in a 2012 Ford Fusion indicates that there is an over-advanced timing condition in the intake camshaft of Bank 2.
3. What are the possible causes of OBDII code P0021 in a 2012 Ford Fusion?
The possible causes of code P0021 in a 2012 Ford Fusion include a faulty camshaft position sensor, issues with the camshaft phaser, engine oil flow problems, or a timing chain/belt issue.
4. How serious is OBDII code P0021 in a 2012 Ford Fusion?
Code P0021 should be taken seriously as it can lead to engine damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.
5. Can I continue driving my 2012 Ford Fusion with OBDII code P0021?
It is not advisable to continue driving your Ford Fusion with code P0021 as it can potentially cause more damage to the engine. It is recommended to have the issue diagnosed and repaired as soon as possible.
6. How can I diagnose OBDII code P0021 in my 2012 Ford Fusion?
Diagnosing code P0021 involves using a scan tool to read the code, checking the camshaft position sensor, inspecting the camshaft phaser, and verifying engine oil levels and quality.
7. What are some repair tips for fixing OBDII code P0021 in a 2012 Ford Fusion?
Repair tips for code P0021 may include replacing the camshaft position sensor, repairing or replacing the camshaft phaser, ensuring proper engine oil flow, and checking the timing chain/belt for any issues.
8. Can a DIY enthusiast fix OBDII code P0021 in a 2012 Ford Fusion?
While some aspects of diagnosing code P0021 can be done by a DIY enthusiast, resolving the issue may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper repair.
9. How much does it cost to repair OBDII code P0021 in a 2012 Ford Fusion?
The cost of repairing code P0021 in a 2012 Ford Fusion can vary depending on the exact cause of the issue, parts needed for repair, and labor costs. It is advisable to obtain quotes from different mechanics for an accurate estimate.
10. How can I prevent OBDII code P0021 from recurring in my 2012 Ford Fusion?
To prevent code P0021 from recurring, it is essential to follow the manufacturer's recommended maintenance schedule, use high-quality engine oil, and address any engine performance issues promptly. Regular inspections can also help in detecting potential problems early.
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