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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 03-02-2008
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engine light

Right now i have one cat on my truck punched out and i want to punch out my other one but im afraid that if i punch it i will get an engine light if i do what can i do to make it go away? i have a 4.0 or i will it even make the light come on
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Old 03-02-2008
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Make sure there is no O2 sensor after the other one
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Old 03-02-2008
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they are both b4 one for each bank of the motor
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Old 03-05-2008
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anyone know?
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Old 03-05-2008
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if the o2 sensors are before the cats it won't turn it on.
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Old 03-06-2008
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everyone positive it wont come on because i need me tone out of my truck
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Old 03-06-2008
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bump
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Old 03-10-2008
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what was said before was right. if the 02 sensor(s) are pre-cat then the engine light shouldn't come on. if the O2s are post-cat then you're SOL.

otherwise .... why? I mean, our trucks are slow. A little less restriction in the exhaust isn't going to help much in that department. And wont you have to pass an emissions/smog test one of these days? To me this just seems pointless. *shrugs*
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Old 03-10-2008
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i want sound
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