Engine-CodesFord – P0273 2007 Ford Fusion

P0273 2007 Ford Fusion Code - Cylinder 5 Injector Circuit Low

Quick Answer

The P0273 code on a 2007 Ford Fusion indicates an issue with the injector circuit of cylinder 5 being detected as low. Common causes include Faulty injector, Wiring or connector issues in the injector circuit, Clogged injector. 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
P0273 2007 Ford Fusion indicates Cylinder 5 Injector Circuit Low.
Common causes
Common causes include Faulty injector, Wiring or connector issues in the injector circuit, Clogged injector.
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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P0273 2007 Ford Fusion Description

The P0273 code on a 2007 Ford Fusion indicates an issue with the injector circuit of cylinder 5 being detected as low. In a fuel-injected engine, each cylinder has its own fuel injector responsible for delivering the precise amount of fuel needed for combustion. When the powertrain control module (PCM) detects that the voltage in the circuit for cylinder 5's injector is lower than expected, it triggers this error code.

OBDII Code P0273 2007 Ford Fusion - Cylinder 5 Injector Circuit Low
P0273 2007 Ford Fusion Code - Cylinder 5 Injector Circuit Low

Common Causes of P0273 2007 Ford Fusion

  1. Faulty injector
  2. Wiring or connector issues in the injector circuit
  3. Clogged injector
  4. PCM malfunction

Symptoms of P0273 2007 Ford Fusion

  1. Rough idling
  2. Misfires
  3. Decreased power
  4. Decreased fuel efficiency
  5. Engine stalling

How to Fix P0273 2007 Ford Fusion

  1. Begin by inspecting the wiring and connectors in the injector circuit for any signs of damage or corrosion. Repair or replace as needed.
  2. Test the injector for proper operation using a multimeter or injector tester. Replace the injector if it is found to be faulty.
  3. Clean or replace the injector if it is clogged with debris or deposits.
  4. Clear the error code using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0273 2007 Ford Fusion

The cost of repairing a cylinder 5 injector circuit low issue on a 2007 Ford Fusion can vary depending on the cause of the problem. Typically, the cost of a new fuel injector for this vehicle ranges from $50 to $200, not including labor. The total repair cost, including parts and labor, can range from $150 to $500 or more. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

Tech Notes for P0273 2007 Ford Fusion

Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0273 2007 Ford Fusion Code

1. What are the common symptoms of OBDII code P0273 on a 2007 Ford Fusion?

- Common symptoms include rough idling, misfires, loss of power, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What does the OBDII code P0273 for a 2007 Ford Fusion specifically indicate?

- The code P0273 indicates an issue with the Cylinder 5 Injector Circuit Low, pointing towards a potential problem with the fuel injector in the fifth cylinder.

3. What are the possible causes of OBDII code P0273 on a 2007 Ford Fusion?

- Possible causes include a faulty fuel injector in cylinder 5, poor electrical connection to the injector, wiring issues, or a problem with the Engine Control Module (ECM).

4. How can I diagnose the Cylinder 5 Injector Circuit Low issue on my 2007 Ford Fusion?

- Diagnosing the problem may involve checking the wiring harness and connections related to the fuel injector in cylinder 5, conducting a resistance test on the injector, and using a scan tool to monitor injector performance.

5. Can I still drive my 2007 Ford Fusion with OBDII code P0273?

- It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage and potentially unsafe driving conditions. Immediate attention and repair are advised.

6. How can I repair the Cylinder 5 Injector Circuit Low issue on my 2007 Ford Fusion?

- Repair may involve replacing the fuel injector in cylinder 5, repairing or replacing damaged wiring, ensuring proper electrical connections, and clearing the trouble code with a scan tool.

7. Are there any DIY tips for fixing OBDII code P0273 on a 2007 Ford Fusion?

- DIY tips include checking for loose or damaged wiring, inspecting the fuel injector for any visible issues, and ensuring all connections are secure before considering a professional repair.

8. Will resetting the Check Engine Light resolve OBDII code P0273 on a 2007 Ford Fusion?

- Resetting the Check Engine Light without addressing the underlying issue will not fix the problem. It is essential to diagnose and repair the cause of the code to prevent further issues.

9. How much does it typically cost to repair OBDII code P0273 on a 2007 Ford Fusion?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $150 to $500 or more, including parts and labor.

10. Can OBDII code P0273 on a 2007 Ford Fusion cause any long-term damage if left unresolved?

- Ignoring the Cylinder 5 Injector Circuit Low issue can lead to poor engine performance, increased fuel consumption, potential catalytic converter damage, and other long-term issues. Prompt repair is recommended.

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