AutoCodes – Infiniti – P0452 2006 Infiniti G35

P0452 2006 Infiniti G35 Code - EVAP Control System Pressure Sensor Low Input

Quick Answer

The Evaporative Emission System (EVAP) control system pressure sensor detects pressure in the purge line. Common causes include Faulty Evaporative Emission System (EVAP) Pressure sensor, Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted, Evaporative Emission System (EVAP) Pressure sensor 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: P0452 2006 Infiniti G35 indicates EVAP Control System Pressure Sensor Low Input.
Common causes: Common causes include Faulty Evaporative Emission System (EVAP) Pressure sensor, Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted, Evaporative Emission System (EVAP) Pressure sensor 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 4,034

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0452 2006 Infiniti G35 Description

The Evaporative Emission System (EVAP) control system pressure sensor detects pressure in the purge line. The sensor output voltage to the Engine Control Module (ECM) increases as pressure increases. The EVAP control system pressure sensor is not used to control the engine system. It is used only for on board diagnosis.

OBDII Code P0452 2006 Infiniti G35 - EVAP Control System Pressure Sensor Low Input - AutoCodes.com — P0452 2006 Infiniti G35 Code - EVAP Control System Pressure Sensor Low Input

What does this mean?

What are the Possible Causes of the DTC P0452 2006 Infiniti G35?

Faulty Evaporative Emission System (EVAP) Pressure sensor
Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection

How to Fix the DTC P0452 2006 Infiniti G35?

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 P0452 2006 Infiniti G35 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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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 P0452 2006 Infiniti G35 Code

What does the OBDII code P0452 mean on a 2006 Infiniti G35?

P0452 indicates a low input signal from the EVAP control system pressure sensor, suggesting an issue with the sensor or circuit.

What are the common symptoms of P0452 in a 2006 Infiniti G35?

Common symptoms include the check engine light turning on, reduced fuel efficiency, and possible difficulty starting the engine.

What causes the P0452 code to appear on a 2006 Infiniti G35?

Possible causes include a faulty EVAP pressure sensor, damaged wiring or connectors, a loose or damaged gas cap, or a malfunctioning EVAP canister.

Can a loose gas cap trigger the P0452 code?

Yes, a loose or damaged gas cap can cause pressure irregularities in the EVAP system and trigger the P0452 code.

How can you diagnose the P0452 code on a 2006 Infiniti G35?

Diagnosis involves checking the gas cap, inspecting EVAP pressure sensor wiring and connectors for damage, and testing the sensor for proper operation using a multimeter.

Is it safe to drive with a P0452 code on a 2006 Infiniti G35?

While the car may still be drivable, ignoring the code can lead to poor fuel efficiency and potential damage to the EVAP system over time.

How do you fix the P0452 code on a 2006 Infiniti G35?

Repairs may include replacing the EVAP pressure sensor, tightening or replacing the gas cap, repairing damaged wiring, or replacing the EVAP canister if necessary.

How much does it cost to fix a P0452 code on a 2006 Infiniti G35?

Depending on the issue, repairs can range from $20 for a gas cap replacement to $200-$400 for a new EVAP pressure sensor or related repairs.

Can a P0452 code cause a failed emissions test?

Yes, since the EVAP system is critical for controlling fuel vapor emissions, a P0452 code can result in a failed emissions test.

How can you prevent the P0452 code from recurring on a 2006 Infiniti G35?

Regularly check and maintain the gas cap, inspect EVAP system components for wear, and promptly address any EVAP system issues or check engine light warnings.