AutoCodes – Ford – P0443 2003 Ford F150

P0443 2003 Ford F150 Code - EVAP Purge Control Circuit

Quick Answer

The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted, Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0443 2003 Ford F150 indicates EVAP Purge Control Circuit .
Common causes
Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted, Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 15,167
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0443 2003 Ford F150 Description

The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
OBDII Code P0443 2003 Ford F150 - EVAP Purge Control Circuit  - AutoCodes.com
P0443 2003 Ford F150 Code - EVAP Purge Control Circuit

What are the Possible Causes of the DTC P0443 2003 Ford F150?

  • Faulty Evaporative Emission (EVAP) Purge Solenoid Control
  • Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
  • Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection
  • Damaged PCM

How to Fix the DTC P0443 2003 Ford F150?

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 P0443 2003 Ford F150 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.

Need more information about the P0443 2003 Ford F150 code?

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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 P0443 2003 Ford F150 Code

1. What does the OBDII code P0443 on a 2003 Ford F150 indicate?

The OBDII code P0443 on a 2003 Ford F150 relates to the EVAP Purge Control Circuit malfunction.

2. What are some common symptoms of a P0443 code on a 2003 Ford F150?

Common symptoms of a P0443 code may include rough idling, decreased fuel efficiency, and the illumination of the check engine light.

3. What are the possible causes of a P0443 code on a 2003 Ford F150?

Common causes of a P0443 code include a faulty purge control solenoid, damaged wiring or connectors in the purge control circuit, or a faulty PCM (powertrain control module).

4. How can I diagnose a P0443 code on my 2003 Ford F150?

To diagnose a P0443 code, you can start by checking the wiring and connectors related to the purge control circuit, testing the purge control solenoid, and verifying the PCM functionality.

5. Can a P0443 code on a 2003 Ford F150 cause any damage to the vehicle?

While a P0443 code may not directly cause immediate damage to the vehicle, it can lead to decreased fuel efficiency and potentially affect the overall performance of the vehicle if left unresolved.

6. How can I repair a P0443 code on my 2003 Ford F150?

Repairing a P0443 code may involve replacing the faulty purge control solenoid, repairing or replacing damaged wiring or connectors, or reprogramming the PCM if necessary.

7. Is it safe to continue driving with a P0443 code on a 2003 Ford F150?

It is generally recommended to address a P0443 code promptly to prevent any potential issues with the vehicle's performance or fuel efficiency. It is advisable to have the issue diagnosed and repaired as soon as possible.

8. Can a DIY enthusiast fix a P0443 code on a 2003 Ford F150?

Depending on the individual's level of automotive knowledge and experience, a DIY enthusiast may be able to diagnose and repair a P0443 code by following repair guides or seeking assistance from online forums.

9. How much can I expect to pay for repairing a P0443 code on a 2003 Ford F150?

The cost of repairing a P0443 code can vary depending on the specific cause of the issue, the labor rates in your area, and whether you choose to address the problem yourself or take it to a professional mechanic.

10. Will resetting the check engine light resolve a P0443 code on a 2003 Ford F150?

Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing the P0443 code. It is important to diagnose and address the root cause of the problem to prevent the code from reappearing.

Discuss the causes and fixes for P0443 2003 Ford F150 OBDII Code

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