In this video we will be cover all the necessary testing procedures for trouble code P0452 "EVAP Pressure Sensor Signal Low/Short". The vehicle in test is a 2002 Chevy Silverado 4.8 but these same procedures can be followed on all General Motors fuel tank pressure sensors as well as every other pressure sensor on the car. Including MAP and BARO sensors.
(original title: How to troubleshoot an EVAP Pressure Sensor problem P0452 - GM)
Engine Performance Diagnostics chapter 8
Symptom
- check engine light with a P0452 code
Fix
- replace faulty fuel tank pressure sensor
Tests shown
- pressure sensor description, operation and testing
- how to perform a signal circuit integrity test (chapter 10)
- voltage measurements of the tank pressure sensor
Tools used
- scan tool
- digital multimeter
- back-probing pins
Playlist
- (Chapter 8) Pressure Sensor Testing, MAP, BARO, DPFE, fuel tank and rail pressure sensors
• (Chapter 8) Pressure S...
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For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
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Disclaimer:
Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.
Негізгі бет Автокөліктер мен көлік құралдары Pressure Sensor or Potentiometer Signal Fixed at 0v [Circuit Integrity Testing]
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