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There is a canister purge valve & a volume control purge valve on your truck. The canister purge valve is on the evap. canister itself(at the rear of veh. near the fuel tank. The volume control purge valve is located in the eng. compartment, passenger side behind Battery. You didn't mention if it's a 4 or 6 cyl.
code p1443 - Evap canister purge system mafunction.possible cause faulty Evap canister purge valve.fuel vapor hose blocked between Evap purge valve and the FTP sensor or blocked between purge valve and intake manifold or vacuum hose blocked between purge valve and intake manifold.code po430 catalytic system efficiency bank 2 below threshold.possible causes. air leaks at the exhaust manifold or in the exhaust pipes. catalytic converter is damaged.ECT OR CHT SENSOR has lost its calibration.engine cylinders misfiring or the ignition timing off.engine oil is contaminated.front HO2S or rear HO2S is contaminated with fuel or moisture.both front HO2S OR REAR HO2S is loose in mounted hole. fuel pressure is too high due to faulty fuel pressure regulator.
DTC P0441 - Evaporative Emission (EVAP) Control System Incorrect Purge Flow EVAP emission canister purge is contolled by a valve which allows engine vacuum
to pull stored fuel vapors from fuel tank into the engine to be burned, rather
than be vented to atmosphere. A vacuum switch is used to detect when flow exists.
If the PCM commands purge and sees that the switch is closed (indicating no
detected purge flow) P0441 is set. With a P0441 OBD-II trouble code, diagnosis can be tricky at times. Here
are some things to try:
Common Chrysler fix - Replace Leak Detection Pump / LDP
Repair damaged EVAP lines or canister
Repair open or short in voltage feed circuit to Purge Solenoid
Repair open in PCM purge command circuit
Replace purge Solenoid
Replace vacuum switch
Repair restriction in Evap line or canister or soleniod
Repair resistance in purge connector
DTC P1441 - Evaporative Emission (EVAP) System Flow During Non-Purge. Most generally caused by a purge valve stuck open. the only way to diag for sure is with a gm tech 2 scan tool and a smoke machine. but if dont mind spending a few bucks as a good quess. Replace the purge valve.
CODE P1443 - LOW PURGE FLOW OR NO PURGE FLOW CONDITION DETECTED.POSSIBLE CAUSES EVAP CANISTER PURGE VALVE STUCK CLOSED MECHANICALLY FUEL VAPOR HOSE BLOCKED BETWEEN EVAP PURGE VALVE AND THE FTP SENSOR OR BLOCKED BETWEEN PURGE VALVE AND INTAKE MANIFOLD OR VACUUM HOSE BLOCKED BETWEEN PURGE VALVE AND INTAKE MANIFOLD.CANT GIVE PRICE CHECK UNTIL FIND OUT THE PROBLEM.
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! If this helps you out please rate me! Brett
Ok i have the same make and model car.And had same problem but i was only needing new hoses. thwe code reader will not tell you if they are bad you just have to check this. The purge valve and canister is located under hood on passenger side behind bumper. look behind the light through the openings. You have to raise car up and do the repairs from under the bottom of the bumper.On passenger side under hood above the wheel fender and between the engine you will see a emmision line about the size of a pencil leads to the purge valve. the valve cost about $18.00 and canister cost around $75.00 at auto zone. The canister is the square box and sometimes you can take apart and clean it and put back together and it should work fine.