4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Bad Performance Prob

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Old 01-14-2007, 03:59 PM
  #1  
Cody 96gt
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Default Bad Performance Prob

Ever since i put on my 75mm TB/Plenum combo from BBK my car has run like crap. When u wanna get on it it bogs down like the air/gas mixture is wrong. Would a simple choke adjustment fix this problem. Also u can constantly smell gas in the car when its running. Tell me what 2 do.
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Old 01-14-2007, 04:42 PM
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8banger
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Default RE: Bad Performance Prob

First thing I'd be checkin for is a vaccum leak,,perferbly on the or around the parts installed.......you had to transfer the tps,Iac ,,everythinggo on and fit ok.?Check engine light on yet?
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Old 01-14-2007, 04:48 PM
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Colorado_Mustang
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Default RE: Bad Performance Prob

Choke adjustment? If you're in the right section, you have no control without a good tuner.

Did you disconnect the computer to let it reset? Other than that, sounds like you have an install problem. Take some pics and post 'em (bigguns hosted on a place like Photobucket would be good).
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