P0452 Diagnostic Trouble Code Discussion for July 2009
Fuel Tank Pressure Sensor Circuit Low Voltage
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| Help Request | Posted | |
| 2006 Other GM WORKHORSE 6.0L MIL Lamp on VIN: 5B4JPD2UX6 P0452: evap pressure sensor signal low/ short. The fuel level sensor fault comes back each ignition cycle. The scanner is reading 4.9 volts. When you back probe the sense wire at the sending unit it reads .7v also if you back probe at the computer it reads .7v The evap pressure reads 1.4v back probing at t... |
July 21, 2009 |
