P0452 Nissan

EVAP Control System Pressure Sensor Low Input

Table of contents

• Possible Causes
• How To Fix
• Tech Notes
• Cost To Diagnose
• When is the code detected
• Possible Symptoms
• Description

P0452 NISSAN Possible Causes

• 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 do I fix code P0452 NISSAN?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Tech Notes

• The P0452 Codes is most common with the Nissan Sentra, Nissan 350Z and Nissan Frontier. If there are no loose or broken hoses on the EVAP canister, and the gas cap is firmly tight, replace the EVAP Control System Pressure Sensor to repair the problem.

Cost of diagnosing the P0452 NISSAN code

  The cost of diagnosing the P0452 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected

  An excessively low voltage from the sensor is sent to Engine Control Module (ECM).

Possible Symptoms

• Engine Light ON (or Service Engine Soon Warning Light)

P0452 NISSAN 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.