SOURCE: Mustang GT 4.6 EVAP Canister Purge Valve Location?
You will need to remove the right front wheel & wheel well liner. The canister purge valve is behind the cover. It should have two tube going into the bottom and one on the side near the top.
You can fix it!
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Brett
SOURCE: I need to locate the canister purge valve and the
look above the spare tire under the back of the box
SOURCE: emission test showed error code p1443.check engine
You might want to try "google images" just type in your vehicle and what your looking for. Here's an example (link) of what to look for.
http://www.fordmuscle.com/forums/attachments/all-ford-techboard/4132d1212515121-code-p1443-help-96tbird_evap.jpg
SOURCE: locating vacuum canister and testing it
The purge solenoid should be in the hard plastic vent lines that run under the tube between the intake and the air filter, ablove the transmission, it is common for vibration holes to be worn in the hard plastic tubes causing a vacuum leak. The purge solenoid is small and it has an electric wire coming from it. I 'think' your canister is in the front lower left corner under the hood, you may have to remove splash shields to see it. The problem is most likely in the hard plastic lines at the solenoid. Let me know if this helps.
SOURCE: Getting an engine code 1450 on a 2003 ford
Did you check the block box connected to the vent solenoid? There's a hose that comes off it that appears to run nowhere, that's the fresh air vent. If it's blocked it won't allow air into the system which will set the trouble code. If that's clear, the vent solenoid itself is bad and needs to be replaced.
P0440 Evaporative emission (EVAP) system - malfunction
Possible causes: Hose connection(s), intake leak, EVAP canister purge valve
P0441 Evaporative emission (EVAP) system - incorrect flow detected
Possible causes: Hose connection(s), intake leak, EVAP canister purge valve
P0442 Evaporative emission (EVAP) system - small leak detected
Possible causes: Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve
P0443 Evaporative emission (EVAP) canister purge valve - circuit malfunction
Possible causes: Wiring, EVAP canister purge valve, ECM
P0444 Evaporative emission (EVAP) canister purge valve -open circuit
Possible causes: Wiring open circuit, EVAP canister purge valve, ECM
P0445 Evaporative emission (EVAP) canister purge valve -short circuit
Possible causes: Wiring short circuit, EVAP canister purge valve, ECM
P0450 Evaporative emission (EVAP) pressure sensor - circuit malfunction
Possible causes: Wiring, EVAP pressure sensor, ECM
P0455 Evaporative emission (EVAP) system - large leak detected
Possible causes: Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve
P0456 Evaporative emission system - very small leak detected
Possible causes: Mechanical fault, hose connection(s), EVAP pressure "sensor
P0457 Evaporative emission system - leak detected (fuel cap loose/off)
Possible causes: Mechanical fault, hose connection(s), EVAP pressure sensor
P0458 Evaporative emission system, purge control valve -circuit low
Possible causes: Wiring short to earth, EVAP valve
P0459 Evaporative emission system, purge control valve -circuit high
Possible causes: Wiring short to positive, EVAP valve
Evaporative Emission Purge Solenoid
Description & Operation
The duty cycle EVAP canister purge solenoid (DCP) regulates the rate of vapor flow from the EVAP canister to the intake manifold. The Powertrain Control Module (PCM) operates the solenoid.
During the cold start warm-up period and the hot start time delay, the PCM does not energize the solenoid. When de-energized, no vapors are purged. The PCM de-energizes the solenoid during open loop operation.
The engine enters closed loop operation after it reaches a specified temperature and the time delay ends. During closed loop operation, the PCM cycles (energizes and de-energizes) the solenoid 5 or 10 times per second, depending upon operating conditions. The PCM varies the vapor flow rate by changing solenoid pulse width. Pulse width is the amount of time that the solenoid is energized. The PCM adjusts solenoid pulse width based on engine operating condition.
Removal & Installation
The duty cycle evaporative (EVAP) canister purge solenoid is located in the engine compartment near the brake master cylinder.
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