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P1450 Diagnostic Trouble Code Discussion for September 2006

Barometric Pressure Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1450
Help Request Posted
1999 Mazda Protege ES 1.8L MIL Lamp on VIN: JM1BJ2213X
P1450: EVAP Control System (Excessive Vacuum). ... came with code p1450 evap system malfunction large leak we smoked the system no signs of leak tested vent selonoin ok tested pressure sensor ok and purge selenoid was working at times so we replaced it erease code and customer took car car came back with t...
September 21, 2006