Question about 1996 Ford Thunderbird LX
Trouble shoot P1443 99 ford explorer 4 liter 6 . failed evap pressure sensor. blocked hose between purge valve &fip sensor. evap purge valve stuck closed. where are these sensors and whats the fix?
Posted on Dec 18, 2010
The purge sensor is located behind the passenger headlight assembly. Remove the headlight, locate the purge sensor and follow and inspect the vacuum hoses for cracks or softness(they could collapse under vacuum blocking the system) to their termination points. If possible, energize the purge valve with the connector removedusing required voltage to ensure it functions correctly when utilized by the EVAP system
Posted on Nov 04, 2011
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Posted on Jan 02, 2017
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Oct 24, 2017 | Ford Cars & Trucks
An EVAP canister, vent hose, or vent solenoid valve that has restricted flow may cause this DTC to set. Using a purge solenoid command with a scan tool will allow vacuum to be applied to the system instead of pressure. With the engine running, the EVAP canister vent solenoid valve open, and the EVAP canister purge solenoid valve commanded to 100 percent, the fuel tank vacuum should not increase to more than 5 inches H2O.
An EVAP canister filter that is restricted can cause this DTC to set. Refer to Evaporative Emission Canister Replacement .
Disconnecting one component at a time while the EVAP system is under flow will help to pinpoint a restriction in the system
Do you have a scan tool that reads data PID'S ?
Your FTP - fuel tank pressure sensor could be at fault !
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