AutoCodes – Honda – P027E 2019 Honda CR-V

P027E 2019 Honda CR-V Code - Cold Start Air Fuel Ratio Control System Command Lean

Quick Answer

The cold start emission reduction strategy controls air-fuel ratio to lean when the engine is started under cold conditions to lower the emission while the catalyst is not warmed up enough. Common causes include Faulty Powertrain Control Module (PCM), Powertrain Control Module harness is open or shorted, Powertrain Control Module circuit poor electrical connection. 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
P027E 2019 Honda CR-V indicates Cold Start Air Fuel Ratio Control System Command Lean.
Common causes
Common causes include Faulty Powertrain Control Module (PCM), Powertrain Control Module harness is open or shorted, Powertrain Control Module circuit poor electrical connection.
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 180
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 16, 2023
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Code P027E 2019 Honda CR-V Description

The cold start emission reduction strategy controls air-fuel ratio to lean when the engine is started under cold conditions to lower the emission while the catalyst is not warmed up enough. If the commanded air-fuel ratio is too lean or too rich compared to the target air-fuel ratio, the Powertrain Control Module (PCM) detects a malfunction and stores a Diagnostic Trouble Code (DTC).
OBDII Code P027E 2019 Honda CR-V - Cold Start Air Fuel Ratio Control System Command Lean - AutoCodes.com
P027E 2019 Honda CR-V Code - Cold Start Air Fuel Ratio Control System Command Lean

What are the Possible Causes of the DTC P027E 2019 Honda CR-V?

  • Faulty Powertrain Control Module (PCM)
  • Powertrain Control Module harness is open or shorted
  • Powertrain Control Module circuit poor electrical connection

How to Fix the DTC P027E 2019 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 P027E 2019 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 P027E 2019 Honda CR-V code?

Need more information on how to fix the P027E 2019 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P027E 2019 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 P027E 2019 Honda CR-V Code

1. What does the OBDII code P027E mean for a 2019 Honda CR-V?

The code P027E indicates an issue with the Cold Start Air-Fuel Ratio Control System, specifically that it is commanding a lean condition during startup.

2. What are the common symptoms of code P027E in a 2019 Honda CR-V?

Symptoms may include rough idling during cold starts, decreased fuel efficiency, hesitation during acceleration, and the Check Engine Light being illuminated.

3. What causes the P027E code to appear on a 2019 Honda CR-V?

Common causes include a malfunctioning air-fuel ratio sensor, a vacuum leak, a clogged fuel injector, or issues with the engine control module (ECM) software.

4. Can I drive my 2019 Honda CR-V with the P027E code?

While the vehicle may still be drivable, ignoring the code can lead to poor performance, increased emissions, and potential engine damage over time.

5. How is the P027E code diagnosed in a 2019 Honda CR-V?

A technician will use a scan tool to check freeze frame data, inspect the air-fuel ratio sensor, check for vacuum leaks, and verify fuel delivery and pressure.

6. How do I fix the P027E code on my 2019 Honda CR-V?

Repairs may involve replacing a faulty air-fuel ratio sensor, fixing vacuum leaks, cleaning or replacing fuel injectors, or updating the ECM software.

7. Can a dirty air filter cause the P027E code in a 2019 Honda CR-V?

Yes, a clogged air filter can restrict airflow, potentially leading to a lean condition and triggering the P027E code.

8. Is the P027E code covered under warranty for a 2019 Honda CR-V?

It depends on your vehicle's warranty terms, but emissions-related components may be covered under the federally mandated emissions warranty.

9. How much does it cost to repair the P027E code on a 2019 Honda CR-V?

The repair cost can vary, ranging from $100 for a sensor replacement to $500 or more if multiple components or advanced diagnostics are needed.

10. Can a software update fix the P027E code on a 2019 Honda CR-V?

Yes, if the ECM software is outdated or contains a bug, a software update performed by a dealership may resolve the issue.

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