AutoCodes - Toyota - P1453 2005 TOYOTA PRIUS

P1453 2005 TOYOTA PRIUS Code - Fuel Tank Pressure Sensor High Input

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P1453 2005 TOYOTA PRIUS code possible causes

  • Faulty Fuel Tank Pressure (FTP)
  • Fuel Tank Pressure harness is open or shorted
  • Fuel Tank Pressure circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

|How do I fix the P1453 2005 TOYOTA PRIUS code?

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.

|Cost of diagnosing the P1453 2005 TOYOTA PRIUS code

Labor: 1.0

The cost of diagnosing the P1453 2005 TOYOTA PRIUS code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1453 2005 TOYOTA PRIUS code possible symptoms?

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

|P1453 2005 TOYOTA PRIUS code description

While the engine is running, if a predetermined condition (closed-loop, etc.) is met, the purge VSV is opened by the Engine Control Module (ECM) and stored fuel vapors in the canister are purged to the intake manifold. The ECM changes the duty cycle ratio of the purge VSV to control purge flow volume. The purge flow volume is also determined by the intake manifold pressure. Atmospheric pressure is allowed into the canister through the vent valve to ensure that the purge flow is maintained when the negative pressure (vacuum) is applied to the canister.
Key-off monitor
This monitor checks for Evaporative Emission (EVAP) system leaks and canister pump module malfunctions. The monitor starts 5 hours after the power switch is turned OFF. More than 5 hours are required to allow the fuel to cool down to stabilize the Fuel Tank Pressure (FTP), thus making the EVAP system monitor more accurate. The leak detection pump creates negative pressure (vacuum) in the EVAP system and the pressure is measured. Finally, the ECM monitors for leaks from the EVAP system and malfunctions in both the canister pump module and purge VSV, based on the EVAP pressure.
OBDII Code P1453 2005 Toyota Prius - Fuel Tank Pressure Sensor High Input - AutoCodes.com

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|P1453 2005 TOYOTA PRIUS code comments

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Repair Importance Level: 3
 
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