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Fort Mustang Code P1443

Home > Discussion Forum > Mechanic's Corner (general)

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Fort Mustang Code P1443 Christy 5-30-04  
I have a 1997 Ford Mustang. The "Check Engine" light recently came on indicating a problem with the Emission Control System. When I took it to get it inspected, they gave me a Stored Diagnostic Trouble Code of "P1443" which came up as "No Description Available." Does anyone know what this code indicates?
Re: Fort Mustang Code P1443 Daniel Eckley 2-28-05  
I have a 98 mustang Gt and I need to replace the part that throws the code P1443. I have the part I just need to know where its located? if you can help me it will be appreciated. Thanks
Re: Fort Mustang Code P1443 Daniel Eckley 2-28-05  
Oh and to add something the part I bought from ford was $45 the part # isF7DZ-9F945-Ab and they call it a soleniod? is this right?
Re: Fort Mustang Code P1443 daniel 4-14-05  
Ok guys I changed my solienod that throws the code 1443 and my CEL went off for awhile and came back on and now it throws that code again so i checked it and hoses and everything is fine? what do I do now?
Re: Fort Mustang Code P1443 -S. Sierra 9-2-04  
Marshall, I have a 1996 T-Bird with the same problem.

Although it could be a host of things, it is more likely than not a bad purge flow sensor(PFS). There is a technical bulletin put out by ford stating that PFSs tend to go out on 96 t-bird, mustang, you name it-models.

I changed the purge flow sensor and the solenoid valve (it is not a bad idea to go ahead an change both out).

Total cost: $78 as opposed to >$250 ford will charge.

Warning-the person who designed the location of these damned things deserves to eternally burn in H3LL as they are UBER-hard to get to. I scrached the royal ass out of my hands doing it, so I hope you have small hands.

Tools needed: small screw driver and pair of small pliers and assorted new rubber tubing. (ramps are good as you will need to access the underside of the car-don't be a cheap skate and just use a jack because you might be crushed to death).

They are both under the passenger's side head-lamp, WAY down there. You'll find a small plastic tube coming from engine that goes to the sensor first, then does a u-turn and goes to the solenoid valve, which is mounted right next to the purge canister (black rectangle shaped box). Disconnect connectors and remove old rubber hoses. NOTE- for some stupid reason, ford decided to make the rubber connector from the solenoid to the canister out of a dealer item only hose that is about 1/4 inch on one side, and about 3/8 inch on the other. While you could buy this from ford, I just made my own by taking a smaller piece of hose and sticking it into a larger one (make sure you have a good snug fit because if you have leaks then all your work is for nothing).

Put everything back together and disconnect ground battery terminal for 5 minutes (this clears the fault code). Reconnect and start your car, you should be good to go.
Re: Fort Mustang Code P1443 Corey 7-29-04  
Thanks for the description of the fix for this problem. I have a 96 Ford Mustang and the Check Engine Light comes on and off at times. I got the Error Code from Auto-Zone and it is a P1443 Aux Emission Control. After calling two Ford Dealers and getting that they can't tell me what the problem is without testing it with their Diagnostics. I looked to the internet. Funny you have a discription of what to check. I'll check it out and see if I can fix it myself. Any more information would be greatly appriciated.
Re: Fort Mustang Code P1443 Sam Watson 5-30-04  
Ford On Board Diagnostics II, (OBD II) code P1443 means that the evaporative emissions charcoal canister purge sensor did not detect any flow when the canister should have been purging into the engine intake system. The purging, controlled by the computer,takes place when certain conditions are met, such as engine speed and temperature.What the computer operates to effect this purging is a 12 volt solenoid valve, solenoid means it has a moving piston in it which covers/uncovers ports in the valve so that flow does/does not take place. The "gunk" coming out of the charcoal canister will sometimes cause this piston to stick, resulting in purging not taking place when it should, the sensor in the purge hose detects this and sets a fault/trouble code and also turns on the "Check Engine" light. The electrical windings in these valves seldom fail, but anything is possible. To locate and check this valve, first find the charcoal canister, it will be a round or rectangular black plastic "box" with several different size hoses attached to it. If in doubt that you've found it, look at the bottom, there will be a plastic foam filter there---make sure it is not plugged up---. Once you've located the canister, start following the hoses attached to it. One will go towards the engine, follow that one along until you find the control valve that it attaches to, that's the valve that's not operating. Several things you can do now, just buy a new one and hope it is not the wiring or computer that's at fault. If you want to check it and the wiring, first, with key off, disconnect the two wire connector from it. Use a 12 volt test lamp, turn the key to "run" and check for current at both wires in the connector, one sould have current. Next, connect the test lamp between the two wires in the connector, start the engine and let it warm up, then run the engine up to around 1500 RPM or so, the test light should come on, if it doesn't, then it is the wire that was "cold" when you checked for power at the connector. or the computer. If the light comes on, then it is the valve. Remove it from the vehicle and clean it with an aerosol can of carburetor cleaner,use the "straw" that comes with the can and spray the cleaner into both hose nipples on the valve, alternatly spraying and shaking the valve. When you no longer get brown "gunk" coming out of the valve, reinstall it in the vehicle, but leave, if possible, the hose from the cannister disconnected. Start the car and let it warm up, (if need be), now raise the RPMs to 1500 or so. valve should now open and a vacuum should be present at the open nipple. If so, the problem is cured. On some OBD II equipped vehicles, repairing some problems will cause the computer to turn off the check engine light if the fault is no longer detected, other vehicles require that the computer be interfaced with and the code purged with a scan tool. Any questions, don't hesitate to ask. I'm curious as to what "Inspection Station" would not have sophisticated enough instrumentation to analyze the cause of a P1443 fault code.
Re: Fort Mustang Code P1443 Mike 6-15-04  
I just put my 96 GT conv up for sale and I've always had this intermitent check engine light come on. So I took it to the dealer and they told me it was the canister purge sensor and it could be fixed for $350, which I declined and that brings me here. Sam, thank you for the excellent explanation, but I had an additional (or a few) questions if you could entertain them. First off, I'm guessing this sensor is located underneath the car along the exhaust pipe and before the cats? Second, is this a fairly easy repair. I have some experience such as a few freeze plugs, alternators, timing belts, etc, but want to make sure I can tackle this myself with standard at home equipment. An lastly, do you happen to know a rough estimate of what the part costs? Thank you very much for your help.-Mike
Re: Fort Mustang Code P1443 Marshall N 9-3-09  
I also tried Sam Watson's instructions and I have NO power at the purge solenoid connector?? Im lost and in need of help, Thanks
Re: Fort Mustang Code P1443 Marshall Law 8-11-04  
I have a 1996 Thunderbird LX and I have the same code and I can't have emmisions pass here in Utah until I fix it.

My point. I get 2 differant parts needing to replaced by 2 differant places. 1 the Auto store said EGR valve, 2- the mechanic, some other part that was totally differant from AutoZone.

I give up.
Re: Fort Mustang Code P1443 Chris 2-26-06  
Looks like ill have to join the party. I have a Ford T-bird 1996 4.6 liter with the same damn code " P1443" it is the fuel charcoal cainster. Ive been having alot of codes coming up everything from TPS, FUEL FILTER, CAM SHAFT POSITION SENSOR, and so forth. You can buy the charcoal canister at NAPA.....word of advice do it yourself its a easy thing to fix.
Re: Fort Mustang Code P1443 Calvin McCowin 7-23-08  
I have a 97 Ford Mustang GT, My check engine light came on AutoZone code is P1443 I've replace the purge valve canister, After a while the light came on again. I call a ford service center and ask them what other part could be bad they said they didn't know, Now I know all of the mustang that have had this problems they knew something but would not tell me. If anybody know what needs to be replace please tell let me know one mustang is no different than the other.
Re: Fort Mustang Code P1443 Steve Huber 8-3-08  
After cleaning the solenoid valve numerous times and changing out the canister. The lights would go out for a week or two. I finally broke down and change the Purge flow sensor and the solenoid valve ($105.00). It worked-good luck on this annoying problem. Steve
Re: Fort Mustang Code P1443 son 3-17-09  
Have a 96 ford ranger which detected the code after failing emmissions..ford told me that i needed to repair the o2 sensor, canister purge, mass air flow sensor, & catalyst converter, and also changed the idle control valve..did that and problem still remain..also got a P0300/random misfire code..which after replacing the parts the dealer also said it will fix the misfire...did not fix the misfire..now have mechanics telling me to replace the PCM..please any suggestions...im thinking maybe EGR valve..HELP!!
Re: Fort Mustang Code P1443 Lori 7-19-09  
I have a 1997 mustang gt 4.6.I have the same promblem as everyone else here does.But is this canistor round or square?I hate to ask such a silly question but auto zone is giving me a different pic then the other parts store.Please any help would be great...
Re: Fort Mustang Code P1443 g 3-14-06  
The code is evaporative emission control system control valve
Re: Fort Mustang Code P1443 arc 3-18-08  
Thanks everyone for info and help. I had that p1443 code on my 96 mustang going on and off for a while, had to fix it before i smogged it. Changed purge valve sensor and valve.located on top passenger side of engine.by firewall. They have the two small hoses connected to it (like a T) and wire.Very easy to change.Bought parts at dealer. changed hose also since it was also getting bad.
Now its working fine and it passed smog. Thanks.
Re: Fort Mustang Code P1443 skillz 3-28-06  
I got a 98 for mustang 3.8 v6 and the code p1443 is an emisons code it depending on your mileage it could be your catalitc converter, or an o2 sencor, or an evap witch is what is wrong wit mine I have to take my gas tank off to change it other wise it cost close to a grand to take it some where and for a car that old it ant worth takin it some where just thought you all would like to know that. to give u some ideas
Re: Fort Mustang Code P1443 Francisco 1-4-08  
Yes, i believe that the solenion is inside the inner passenger fender. when you take it off try to clean it with a good choke cleaner, 8 out of 10 this is the case.
Re: Fort Mustang Code P1443 BOB ANDREWS 8-27-07  
I HAVE A '98 CAMRY AND I HAD A NEW GAS TANK INSTALLED ABOUT 1 YEAR AGO, EVER SINCE WHEN FILLING GAS TANK FOR THE FIRST 15 MILES THE ENGINE SPUTTERS AND DIES, THEN IS FINE ???
Re: Fort Mustang Code P1443 ralph 10-13-07  
Does anyone know where the evap canister is located on a '96 3.8 v-6 mustang.. can't find it but i think it might be located behind the inner fender and i don't want to remove it until i know for sure
Re: Fort Mustang Code P1443 Richard 4-15-09  
Dear Sam Watson, Richard Winters
here.

I have 1996 Mustang with 3.8 givibg a P1443 code.

I tried you instructions.

I have hot on one wire of the solenoid conection with the key on "run"

I connected the test light to both terminals and ran engine till warm, at idle and at 1500, the light did not come on.

I tried the test again with a nes surge sensor, no light.

I did not see any domagaed wiring and wiggled the wires and cleaned all connectors I could find.

The purge solenoid works if I apply battery voltage to it.

If one solenoid terminal is hot when the engine is running then the solenoid is energized when the other wire goes to ground...correct ??

Do you where the purge solenoid "cold" wire goes from the purge solenoid connector ??Also, any tips where to go from here ??

Regards and thanks, your post has gotten me so much closer to fixing my problem.

Richard in Friendswood, Texas.
Re: Fort Mustang Code P1443 lamont 9-2-08  
What did you find out on the p1443 code?
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