AutoCodes – Ford – P1443 2001 Ford F150

P1443 2001 Ford F150 Code - Evaporative Emission System Control Valve Low/No Flow

Quick Answer

The Powertrain Control Module (PCM) monitors the fuel tank pressure. Common causes include Loose fuel filler cap, Faulty EVAP Canister Purge Solenoid Valve, EVAP Canister Purge Solenoid Valve harness is open or shorted. 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: P1443 2001 Ford F150 indicates Evaporative Emission System Control Valve Low/No Flow.
Common causes: Common causes include Loose fuel filler cap, Faulty EVAP Canister Purge Solenoid Valve, EVAP Canister Purge Solenoid Valve harness is open or shorted.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 5,300

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 06, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1443 2001 Ford F150 Description

The Powertrain Control Module (PCM) monitors the fuel tank pressure. The Diagnostic Trouble Code (DTC) will set when the PCM detects a fuel tank pressure change greater than minus (-) 7 inches of water in 30 seconds occurred with a purge, fuel vapor, flow at less than 0.02 lb/min (0.15 gm/s).

OBDII Code P1443 2001 Ford F150 - Evaporative Emission System Control Valve Low/No Flow - AutoCodes.com — P1443 2001 Ford F150 Code - Evaporative Emission System Control Valve Low/No Flow

What does this mean?

What are the Possible Causes of the DTC P1443 2001 Ford F150?

Loose fuel filler cap
Faulty EVAP Canister Purge Solenoid Valve
EVAP Canister Purge Solenoid Valve harness is open or shorted
EVAP Canister Purge Solenoid Valve circuit poor electrical connection
Blocked hose between the purge valve and FTP sensor
Faulty EVAP Fuel Tank Pressure (FTP) Sensor

How to Fix the DTC P1443 2001 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.

What does this mean?

Code Tech Notes

Check for blockages between the fuel tank, the EVAP Canister Purge Solenoid Valve, and the engine intake manifold. Check for obstructions in the EVAP Canister Purge Solenoid Valve diaphragm and ports.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1443 2001 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 P1443 2001 Ford F150 code?

Need more information on how to fix the P1443 2001 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1443 2001 Ford F150 code diagnosed by a professional: Find a repair shop in your area

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 P1443 2001 Ford F150 Code

1. What are the common symptoms of OBDII code P1443 on a 2001 Ford F150?

- Common symptoms include a check engine light illuminated on the dashboard, a noticeable decrease in fuel efficiency, and potential difficulty starting the vehicle.

2. What are the likely causes of OBDII code P1443 on a 2001 Ford F150?

- The most common causes of P1443 are a faulty evaporative emission system control valve, a damaged or leaking vacuum line, or a malfunctioning charcoal canister.

3. How serious is OBDII code P1443 on a 2001 Ford F150?

- While this code may not cause immediate harm to the vehicle, it can lead to increased emissions and decreased fuel efficiency if left unresolved. It is recommended to address this issue promptly.

4. How can I diagnose OBDII code P1443 on a 2001 Ford F150?

- A diagnostic scan tool can be used to retrieve the specific code. Additionally, a visual inspection of the evaporative emission system components and vacuum lines can help identify any visible issues.

5. Can I still drive my 2001 Ford F150 with OBDII code P1443?

- It is generally safe to drive the vehicle with this code, but it is advisable to have it diagnosed and repaired as soon as possible to prevent potential long-term damage and increased emissions.

6. What is the typical repair process for OBDII code P1443 on a 2001 Ford F150?

- The repair process usually involves inspecting and replacing the evaporative emission system control valve, repairing any damaged vacuum lines, and testing the system to ensure the issue has been resolved.

7. Are there any DIY repair tips for OBDII code P1443 on a 2001 Ford F150?

- DIY enthusiasts can start by visually inspecting the vacuum lines and components of the evaporative emission system for any visible damage or leaks. Simple repairs like tightening connections or replacing damaged hoses may solve the issue.

8. How much does it typically cost to repair OBDII code P1443 on a 2001 Ford F150?

- The cost of repair can vary depending on the exact cause of the issue and the labor rates in your area. Generally, the repair cost can range from $100 to $300 for parts and labor.

9. Can a mechanic reset OBDII code P1443 on a 2001 Ford F150 without fixing the root cause?

- While a mechanic can clear the code temporarily, the check engine light is likely to reappear if the underlying issue is not addressed. It is recommended to fix the root cause to prevent future occurrences.

10. How can I prevent OBDII code P1443 from recurring on my 2001 Ford F150?

- Regularly inspecting and maintaining the evaporative emission system components, such as the control valve and vacuum lines, can help prevent the recurrence of P1443. Additionally, promptly addressing any related issues can minimize the chances of it happening again.