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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. |