P0450 Diagnostic Trouble Code Discussion for November 2007
EVAP System Pressure Sensor Circuit Malfunction
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| Help Request | Posted | |
| 2001 Mercedes-Benz S500 Guard 5.0L no venting VIN: WDBNG75J81 P0450: fuel tank pressure sensor. customer reports when filling tank excessive pressure will shoot back when nozzle is removed - we removed the left rear fender liner and tested the vent valve y58-4 which we had previously replaced - this valve is open without electrical signal to allow air to... |
November 30, 2007 |
