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P0453 Diagnostic Trouble Code Discussion for January 2007

Fuel Tank Pressure Sensor Circuit High Voltage

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Trouble Ticket Help Requests for DTC P0453
Help Request Posted
1998 Chevrolet C1500 Suburban LS 5.7L MIL Lamp on VIN: 1GNEC16R1W
P0453: Fuel Tank Pressure Sensor Circuit High Voltage. Came in with P0452 and P0453. Tank pressure sensor low & high inputs emissions failure. No driveability issue. Checked sensor at harness next to tank. I have ground and 5v ref. but 0v from signal wire. This explains P0452. What has me puzzled is if I clear...
January 05, 2007
2002 Chevrolet Venture LS 3.4L Surge VIN: 1GNDUO3E32
P0453: Fuel Tank Pressure Sensor Circuit High Voltage. Hi guys, I've got one here thats kicking my butt. Customer brought vehicle in stating that it failed emmission testing. The first thing I noticed is that someone has removed the check engine light bulb. Vehicle has slight surge at idle. Scanned for codes (see ...
January 15, 2007