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P0452 Diagnostic Trouble Code Discussion for August 2007

Fuel Tank Pressure Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0452
Help Request Posted
1999 Chevrolet S10 2.2L MIL Lamp on VIN: 1GCCS1447X
P0452: Fuel Tank Pressure Sensor Circuit Low Voltage. This truck Came in with a p0452 so i watched the sensor while on a test drive and it would read vacuum in the tank when purge was active. The longer i drove the vacuum went away even though the purge was still active. And it eventuall rose to the point it had ...
August 10, 2007