AutoCodes – Honda – P043E 2018 Honda CR-V

P043E 2018 Honda CR-V Code - Evaporative Emission Leak Check Module Standard Pressure Low

Quick Answer

The Powertrain Control Module (PCM) starts the Evaporative Emission (EVAP) system diagnosis after the vehicle has been turned to the OFF (LOCK) mode and has met all other enable conditions (initial engine coolant temperature and off for at least 5 hours). Common causes include Faulty Vacuum Pump, Faulty Vacuum Pump (Motor), Faulty Control Valve. 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
P043E 2018 Honda CR-V indicates Evaporative Emission Leak Check Module Standard Pressure Low.
Common causes
Common causes include Faulty Vacuum Pump, Faulty Vacuum Pump (Motor), Faulty Control Valve.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 291
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 18, 2023
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Code P043E 2018 Honda CR-V Description

The Powertrain Control Module (PCM) starts the Evaporative Emission (EVAP) system diagnosis after the vehicle has been turned to the OFF (LOCK) mode and has met all other enable conditions (initial engine coolant temperature and off for at least 5 hours). The EVAP system diagnosis is performed by reducing the pressure between the EVAP canister and the atmosphere. If pressure is reduced with the fuel vapor containment valve open, the entire EVAP system will be diagnosed, and if the fuel vapor containment valve is closed, only the EVAP canister side will be diagnosed.
A malfunction is detected, and a Diagnostic Trouble Code (DTC) is stored when changes in the pressure are equal to or less than the prescribed value after the prescribed time of starting the system pressure reduction.
OBDII Code P043E 2018 Honda CR-V - Evaporative Emission Leak Check Module Standard Pressure Low - AutoCodes.com
P043E 2018 Honda CR-V Code - Evaporative Emission Leak Check Module Standard Pressure Low

What are the Possible Causes of the DTC P043E 2018 Honda CR-V?

  • Faulty Vacuum Pump
  • Faulty Vacuum Pump (Motor)
  • Faulty Control Valve
  • Reference orifice flow quantity is excessive
  • Reference orifice flow quantity is too low

How to Fix the DTC P043E 2018 Honda CR-V?

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 P043E 2018 Honda CR-V 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 P043E 2018 Honda CR-V code?

Need more information on how to fix the P043E 2018 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P043E 2018 Honda CR-V 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 P043E 2018 Honda CR-V Code

What does the OBDII code P043E mean on a 2018 Honda CR-V?

P043E indicates an issue with the evaporative emission system, specifically that the Evaporative Emission Leak Check Module is detecting a standard pressure lower than expected.

What are the common symptoms of a P043E code in a 2018 Honda CR-V?

Common symptoms include the check engine light turning on, possible fuel odor near the vehicle, and sometimes a slight decrease in fuel efficiency.

What causes the P043E code in a 2018 Honda CR-V?

The code can be caused by a faulty Evaporative Emission Leak Check Module, a damaged or loose gas cap, a cracked or disconnected EVAP hose, or a problem with the fuel tank pressure sensor.

Can a loose gas cap trigger the P043E code on a 2018 Honda CR-V?

Yes, a loose or damaged gas cap can create an EVAP system pressure issue, potentially triggering the P043E code.

How do I diagnose a P043E code on a 2018 Honda CR-V?

Start by checking the gas cap for damage or looseness, inspect EVAP system hoses for cracks or disconnections, and test the Evaporative Emission Leak Check Module and related sensors.

Can I drive my 2018 Honda CR-V with a P043E code?

While the car may still be drivable, ignoring this code could lead to increased emissions, possible fuel vapor leaks, and a failed emissions test.

How much does it cost to fix a P043E code on a 2018 Honda CR-V?

Repair costs can vary, ranging from $20 for a gas cap replacement to $200-$500 for diagnosing and replacing a faulty Leak Check Module or related components.

Can a P043E code cause poor fuel economy in a 2018 Honda CR-V?

In some cases, yes. A malfunctioning EVAP system can cause a minor drop in fuel efficiency due to inefficient fuel vapor management.

Does the P043E code automatically mean the Leak Check Module is bad?

Not necessarily. While the Leak Check Module could be at fault, other issues like a faulty pressure sensor, damaged hoses, or a loose gas cap could also trigger the code.

How do I reset the P043E code on a 2018 Honda CR-V after repairs?

Use an OBDII scanner to clear the code or disconnect the battery for a few minutes. Ensure the issue is resolved, as the code may return if the underlying problem persists.

Discuss the causes and fixes for P043E 2018 Honda CR-V OBDII Code

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