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Acura DTC

Acura DTC P0453

Manufacture

Acura DTC

Code

P0453

Definition

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

Description

Elapsed time after starting the engine is 2 seconds at idle. The execution time is once per driving cycle and the duration time is 3 seconds or more. If the FTP sensor output voltage is higher than a target value within a set time after starting the engine in a cold condition. The output from the fuel tank pressure sensor is more than 8 kPa (2.2 in. Hg, 55 mmHg) for at least 3 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Poor connections or loose terminals at the FTP sensor and the PCMOpen in the wire between the PCM and the FTP sensorFaulty FTP sensorPCM may need to be updated with the latest softwareFaulty PCM

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