manifold swap

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Apr 1, 2004 | 10:00 PM

kman2785

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manifold swap

Hey,

I am getting ready to do a manifold swap on my 99 f150! I am wondering what the sensor is that is plugged into the top of the exhaust manifolds are? I have 227,000 miles on my truck so i am sure that it is time to change them! If i change them would i notice an increase in gas milage?

Thanks, Kman

Apr 2, 2004 | 08:52 AM

true4.2

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From: Lufkin

They would be the O2 sensors. You're talking about the sensors that are plugged directly into the exhaust manifold right? Yea, go ahead and replace them.

Apr 2, 2004 | 02:09 PM

kman2785

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hey,

Yea, I am talking about the ones screwed driectly into the exhaust manifolds.

If i replace them will i notice any difference in gas milage or any difference at all?

Thanks, Kman