Ford Repair: code P0304, vehicle speed sensor, diagnosis code


Question
QUESTION: How do i fix a diagnosis code P0304 a misfire in 4 in a 1996 Taurus with 3.0L compression good 120 changed plugs wires egr backpressure sensor vacuum solenoid vehicle speed sensor coil pack injector what else?

ANSWER: Hello Robert, I had to do some homework on yours. There is a tsb 97-8-6 to update the pcm. A dealer would have to perform the update. Hope this helps. Thnaks Tony

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QUESTION: hi,
yes i am working on the first cylinder front of car passenger side closest to the alt, another question ive taken the injector plug wires and switched them number four 4 with number five 5 and i still get a reading of P0304, which means number four 4 cylinder, question i have is are the injector wires married to or assigned to a specific cylinder? or could i put ANY injector wire to ANY injector? if so in theory wouldnt number fours 4 wire become number five or would number four 4 even tho hooked to 5 injector think it was number 4 still? have i confused you yet??????? what im trying to say is if i move four to five does it (PCM) still think it is connected to four when in reality it is connected to five?? or does it sense it is connected to five and not four where it use to be connected.. and still give me the code P0304 or since i switched injector wires being hoofed up to five IF it was in the wiring it would read P0305?? and if in the cylinder it would still read P0304. hope this made sense???? if you or any body would like to call me let me know your email and i will send it to you so i can try to explain what i have written above??

thanks so much for your time

Robert

Answer
Hello Robert, By switching the wires does nothing, the pcm controls injector pulse and sparkplug firing. So no matter where power is the pcm is going control it. The update is like downloading a program to your home computer. It is very possible that will get rid of your code. Thanks Tony