P0443 Code - Evaporative Emission Control System Purge Control Valve Circuit Malfunction
Quick Answer
The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses an 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 Purge Solenoid Control harness is open or shorted, Evaporative Emission 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 indicates Evaporative Emission Control System Purge Control Valve Circuit Malfunction.
- Common causes
- Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission Purge Solenoid Control harness is open or shorted, Evaporative Emission 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.
Code P0443 Description
What are the Possible Causes of the DTC P0443?
- Faulty Evaporative Emission (EVAP) Purge Solenoid Control
- Evaporative Emission Purge Solenoid Control harness is open or shorted
- Evaporative Emission Purge Solenoid Control circuit poor electrical connection
How to Fix the DTC P0443?
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 is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0443 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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Information for Specific Makes
- P0443 Acura — Evaporative Emission Canister Purge Valve Circuit Malfunction
- P0443 Audi — Evaporative Emission Control System Purge Control Valve Circuit Malfunction
- P0443 Buick — Evaporative Emission Purge Solenoid Valve Control Circuit
- P0443 Cadillac — Evaporative Emission Purge Solenoid Valve Control Circuit
- P0443 Chevrolet — Evaporative Emission Purge Solenoid Valve Control Circuit
- P0443 Chrysler — EVAP Purge Control Circuit
- P0443 Dodge — EVAP Purge Control Circuit
- P0443 Ford — EVAP Purge Control Circuit
- P0443 GMC — Evaporative Emission Purge Solenoid Valve Control Circuit
- P0443 Honda — Evaporative Emission Canister Purge Valve Circuit Malfunction
- P0443 Infiniti — EVAP Canister Purge Volume Control Solenoid Valve
- P0443 Isuzu — Evaporative Emissions Purge Solenoid Control Circuit
- P0443 Jeep — EVAP Purge Control Circuit
- P0443 KIA — EVAP Emission System Purge Control Valve Solenoid Malfunction
- P0443 Land Rover — Evaporative Purge Valve Output Drive Open Circuit
- P0443 Lexus — Evaporative Emission Control System Purge Control Valve Circuit
- P0443 Lincoln — EVAP Purge Control Circuit
- P0443 Mazda — Evaporative Emission Control System Purge Control Valve Circuit Malfunction
- P0443 Mercedes-Benz — Evaporative Emission Control System Purge Control Valve Circuit Malfunction
- P0443 Mercury — EVAP Purge Control Circuit
- P0443 Mitsubishi — EVAP System Purge Control Valve Circuit
- P0443 Nissan — EVAP Canister Purge Volume Control Solenoid Valve
- P0443 Pontiac — Evaporative Emission Purge Solenoid Valve Control Circuit
- P0443 Saturn — Evaporative Emission Purge Solenoid Valve Control Circuit
- P0443 Toyota — Evaporative Emission Control System Purge Control Valve Circuit
- P0443 Volkswagen — Evaporative Emission Control System Purge Control Valve Circuit Malfunction
Frequently Asked Questions about P0443 Code
1. What are the common symptoms of OBDII code P0443?
- Common symptoms include difficulty starting the vehicle, rough idling, decreased fuel efficiency, and the illumination of the check engine light.
2. What can cause the OBDII code P0443 to trigger?
- The code P0443 is typically triggered by a malfunction in the evaporative emission control system purge control valve circuit, which may be caused by a faulty purge control valve, damaged wiring, or a blown fuse.
3. How serious is the OBDII code P0443?
- While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential issues with the vehicle's emissions system and fuel efficiency.
4. Can I continue driving my vehicle with the OBDII code P0443?
- It is generally safe to drive the vehicle for a short period with the code P0443, but it is recommended to have it diagnosed and repaired as soon as possible to avoid further complications.
5. How can I diagnose and repair the OBDII code P0443?
- Diagnosis typically involves checking the purge control valve, inspecting the wiring for any damage, and ensuring the fuse related to the purge control valve is intact. Repair may involve replacing the purge control valve, repairing damaged wiring, or replacing a blown fuse.
6. Will resetting the check engine light resolve the OBDII code P0443?
- Resetting the check engine light may temporarily turn off the warning indicator, but it will not fix the underlying issue causing the code P0443. It is important to diagnose and repair the problem to prevent future occurrences.
7. How much does it cost to repair the OBDII code P0443?
- The cost of repairing the code P0443 can vary depending on the specific cause of the issue, the vehicle's make and model, and labor costs. It is advisable to consult a mechanic for an accurate estimate.
8. Can a DIY enthusiast fix the OBDII code P0443 at home?
- Depending on your knowledge and experience with automotive repairs, you may be able to address the code P0443 at home. However, it is recommended to have the necessary tools and expertise to properly diagnose and repair the issue.
9. Will the OBDII code P0443 affect my vehicle's emissions test?
- Yes, the code P0443 indicates a malfunction in the evaporative emission control system, which can potentially cause your vehicle to fail an emissions test. It is advisable to address the issue before undergoing emissions testing.
10. How long does it take to repair the OBDII code P0443?
- The time required to repair the code P0443 can vary depending on the cause of the issue, availability of parts, and the mechanic's workload. In general, the repair can take anywhere from a few hours to a full day.
Discuss the causes and fixes for P0443 OBDII Code
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Hello my car is a Pontiac solstice 2.4 and y got this code after removing de catalytic converter I haven't replaced it yet but id like to know if its the reason I got the code
Thanks for the help -
The catalytic converter has nothing to do with the EVAP system, unless you accidentally disconnected something while removing the cat.
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Getting this code on a 2016 dodge dart gt 2.4 after replacing head gascket also code P0138 o2 circuit high voltage, replace o2 sensor and checked evap slenoid (its good) erase codes with a code reader and stil getting this codes, any solutions or where ti check?
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