05 gt tune question - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 10-05-2008 Thread Starter
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05 gt tune question

i recently installed a few parts on my 05 gt... airair cai, flowmaster axle back, 62mm tb and a tune. i had a couple of problems with the throttle body so i took it off. i also had a remote start installed. all in the space of about a week and a half.

since all this there are a couple of issues i am concerned about. 1 is when i fire it up cold it runs up to 3000 rpm or so then after a few seconds it settles in around 800 rpm.

the other is "tip in" is brutal. taking off from a light without looking like an idiot is just not happening.

i am not getting a MIL and everything else seems fine. i am also running an aggressive mileage E85 tune. and i am getting 23 mpg with it so i really have no other complaints.

thanks in advance

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post #2 of 6 (permalink) Old 10-05-2008
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62 mm throttle bodies are hard to install I took mine back Take the car to a ford dealer after you take your hand held tuner back to factory tune Sounds like its in the fly by wire throttle body 2007 Mustang Gt Robert [email protected]

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post #3 of 6 (permalink) Old 10-05-2008
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Quote:
Originally Posted by BBFcapri View Post
i recently installed a few parts on my 05 gt... airair cai, flowmaster axle back, 62mm tb and a tune. i had a couple of problems with the throttle body so i took it off. i also had a remote start installed. all in the space of about a week and a half.

since all this there are a couple of issues i am concerned about. 1 is when i fire it up cold it runs up to 3000 rpm or so then after a few seconds it settles in around 800 rpm.

the other is "tip in" is brutal. taking off from a light without looking like an idiot is just not happening.

i am not getting a MIL and everything else seems fine. i am also running an aggressive mileage E85 tune. and i am getting 23 mpg with it so i really have no other complaints.

thanks in advance
It sounds like your tune need tweeking. just give the guy you got it from a call.


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post #4 of 6 (permalink) Old 10-05-2008
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I would suggest that the throttle position sensor voltage is off. Those things are very sensitive.

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post #5 of 6 (permalink) Old 10-05-2008 Thread Starter
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I would suggest that the throttle position sensor voltage is off. Those things are very sensitive.
actually, the reason i pulled the throttle body i bought off was because you mentioned this before stl...

the tps on these test the same was as in the old days? nothing special about it because of the electronic throttle? i will test the tps in the aftermarket tb first, so if i break it at least i break on i am not going to use again...:hihi:
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post #6 of 6 (permalink) Old 10-05-2008
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Voltage should measure between 1.19 and 1.31 volts.

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