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Old 04-09-2012, 08:26 PM   #1
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Sensor

Do a 94 mustang gt have a crank position sensor
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Old 04-09-2012, 08:46 PM   #2
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Quote:
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Do a 94 mustang gt have a crank position sensor
No. Just on modulars engines.
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Old 04-09-2012, 08:49 PM   #3
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Would there be any sensor that causes jerking and hesitation on acceleration other than the tps sensor
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Old 04-09-2012, 08:54 PM   #4
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why do you think its a sensor? just curious cause those problems could be caused by lots of things
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Old 04-09-2012, 09:25 PM   #5
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Idk just a question cause its been worrying the h*** out of me and don't know wat to do
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Old 04-09-2012, 09:27 PM   #6
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give us a little more info about the problem and we'll go feom there.mods,whats been done including tune up etc.
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Old 04-09-2012, 09:40 PM   #7
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Only thing I know is I bought the car from a older guy he said his wife drove it....so I guess everything is stock....tune up goes ( auto lite double platinum plugs, msd cap and rotor button, 8mm wires, fuel filter, tps sensor)

---------- Post added at 09:38 PM ---------- Previous post was at 09:37 PM ----------

And it hesitate or kind of jerk on acceleration slightly on a Lil heavy acceleration and when I just push it to the floor...it do it a lot

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Oh and it have a k and n filter on it when I bought it
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Old 04-09-2012, 09:47 PM   #8
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it doesnt do it revving in neutral?

sounds to me like your losing fuel.there are a few things it could be.for starters i would clean the iac,maf, and make sure you tps is set properly.also make sure there is no vacuum leaks and your egr is functioning properly.you may be able to see if you can pull any codes.

to find out if its fuel or spark you can test the fuel pressure.it should be around 38 with the vacuum unplugged. if you have adequite fuel pressure then its gonna be something like pip, coil or something else.

---------- Post added at 09:44 PM ---------- Previous post was at 09:43 PM ----------

if you over oil the k n it can get on your maf and cause faulty readings fyi.

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if this is related to your other thread then the timing could definatly be the issue.when you set the timing make sure you remove the spout connector first then reinstall it when your done.
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Old 04-09-2012, 10:03 PM   #9
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It don't do it in natural and I have changed the coil and the *pip and iac* I'm lost I don't know wat that is....and when I had the fuel pressure check it raised up to 30 and that was it and it rise slowly

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And the tps I was told it didn't have to be set it should have just screwed back in place...which I didn't know how true it was
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Old 04-09-2012, 10:07 PM   #10
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30 is low.who checked the pressure? it may be that low at idle but when you pull the vacuum it should go to around 38. i would check or change the fuel pressure reg after you check your relay and make sure the connections are good at relay and pump.and also make sure that there are no kinks in the lines.especially around the fuel filter since it has been changed.

---------- Post added at 10:07 PM ---------- Previous post was at 10:05 PM ----------

Quote:
Originally Posted by Gary100288
It don't do it in natural and I have changed the coil and the *pip and iac* I'm lost I don't know wat that is....and when I had the fuel pressure check it raised up to 30 and that was it and it rise slowly

---------- Post added at 10:03 PM ---------- Previous post was at 09:54 PM ----------

And the tps I was told it didn't have to be set it should have just screwed back in place...which I didn't know how true it was
ive heard that it shouldnt have to set the tps also. but its a good idea to check it.and i have seen them off before. plus why would there be a procedure for it if it was unnecesary?
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Old 04-10-2012, 05:42 AM   #11
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I just had what seems to be the same problem mine had stock 87 gt convertible with k&n filter. Replaced air bypass then reset idle an checked tps was out by 0.05v runs like a champ now. Wouldn't hurt to check it out

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Old 04-10-2012, 06:02 AM   #12
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Ok so where is the relay and fuel pressure reg and how you u set the tps if it only got two screws and bolt in one way
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Old 04-10-2012, 07:27 AM   #13
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This is in the useful mustang info sticky thread. http://www.muscularmustangs.com/tps.php the relay is under the seat. I think it would be a good time to get a Haynes manual.all these procedures should be in there. Sorry I don't remember were the fuel reg is but somewhere in the lines.
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Old 04-10-2012, 07:31 AM   #14
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Ok thanks for being so much help
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Old 04-10-2012, 07:40 AM   #15
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No problem.hopefully you get it figured out.
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