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P1494 Diagnostic Trouble Code Discussion for January 2007

EVAP Leak Detection Pump Switch Or Mechanical Fault


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Trouble Ticket Help Requests for DTC P1494
Help Request Posted
1997 Mitsubishi Eclipse RS 2.0L MIL Lamp on VIN: 4A3AK34Y1V
P1494: EVAP Ventilation Switch Circuit Malfunction. ... year.This Mitsu came to me with a smog failure ,the upstream o2 sensor was bad and the connector was replaced at the same time and it cured one problem.Now the problem i am having is with the p1390 and p1494 it seems like i can't find what the heck it is s...
January 08, 2007
1999 Dodge Durango 5.2L MIL Lamp on VIN: 1B4HR28Y3X
P1494: EVAP Leak Detection Pump Switch Or Mechanical Fault. ... trhis Dodge Durango with a 5.2L, This vehicle came in on Moonday with cose P1494, I followed the schematic from all data and checked TSB's. I replaced the Leak Detection Pump and dove vehicle for about 20 miles all was fine, Customer picked up vehicle and ...
January 17, 2007
1997 Mitsubishi Eclipse RS 2.0L MIL Lamp on VIN: 4A3AK34Y1V
P1494: EVAP Ventilation Switch Circuit Malfunction. ... year.This Mitsu came to me with a smog failure ,the upstream o2 sensor was bad and the connector was replaced at the same time and it cured one problem.Now the problem i am having is with the p1390 and p1494 it seems like i can't find what the heck it is s...
January 08, 2007
1999 Dodge Durango 5.2L MIL Lamp on VIN: 1B4HR28Y3X
P1494: EVAP Leak Detection Pump Switch Or Mechanical Fault. ... trhis Dodge Durango with a 5.2L, This vehicle came in on Moonday with cose P1494, I followed the schematic from all data and checked TSB's. I replaced the Leak Detection Pump and dove vehicle for about 20 miles all was fine, Customer picked up vehicle and ...
January 17, 2007