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

HORRIBLE Gas Mileage, Please help

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Old 12-27-2007, 11:16 AM
  #11  
1fstblckgt
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Default RE: HORRIBLE Gas Mileage, Please help

ORIGINAL: Brute03

ORIGINAL: WhiteyonWelfare

Yeah I plugged them into the rear, I don't have the o2 sensors hooked up to the car only in the front. It seems to be running really smooth and im not getting any problems out of it, just horrible gas milage. No performance issues or anything.
even though you have mills, you still have to plug them into the car or you'll still get a CEL

Post *****.
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Old 12-27-2007, 11:41 AM
  #12  
PaintballFreak
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Default RE: HORRIBLE Gas Mileage, Please help

ORIGINAL: 300exman

you have to plug in all o2s. that might help you out

nvm lol
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Old 12-27-2007, 11:46 AM
  #13  
Brute03
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Default RE: HORRIBLE Gas Mileage, Please help

ORIGINAL: 1fstblckgt

ORIGINAL: Brute03

ORIGINAL: WhiteyonWelfare

Yeah I plugged them into the rear, I don't have the o2 sensors hooked up to the car only in the front. It seems to be running really smooth and im not getting any problems out of it, just horrible gas milage. No performance issues or anything.
even though you have mills, you still have to plug them into the car or you'll still get a CEL

Post *****.
hell, you racked up four rats in two months so i gotta start somewhere [:-]
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Old 12-29-2007, 06:08 PM
  #14  
Vtghost
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Default RE: HORRIBLE Gas Mileage, Please help

might be your o2s

Make Sure They Are All Plugged In That WOuld be Your Best Bet.
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Old 12-29-2007, 06:26 PM
  #15  
Sxynerd
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Default RE: HORRIBLE Gas Mileage, Please help

I'd trust 2000
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