O2 sensors now?
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Senior Member
Joined: Nov 2002
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From: Okotoks, Alberta, Canada
O2 sensors now?
Well Lets just "pretend" I got a custom 2.5" collector pipe for my 99 f-150 4.2 v6 that cut the cats-out? And now I need to put the rear 02 sensors in, where should i put them to get rid of the check engine light? After the flowmaster? Has anybody actually taken the cats out of their f-150 and put the o2 sensors back to have no problems (check engine light)? If so how? Also what exactly does a 02 sensor read? Heat, or 0xygen content? could I splice the two rear o2's into one, to cut the signal down? I want this to work so I dont feel so bad for doing it. Thanks for the help.
Phillip
Phillip
Technical Article Contributor
Joined: Jun 2002
Posts: 10,511
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From: Under the flightpath of old ORD 22R
You need a set of MIL eliminators.
A few places make them, I this Caspers Electronics stil make them.
The first set of O2 sensors are for the A/F and PCM operation, the second set are to see how well the cats are working. Thus you need to simulate the 2nd set of O2 sensors with the MIL elliminators.
A few places make them, I this Caspers Electronics stil make them.
The first set of O2 sensors are for the A/F and PCM operation, the second set are to see how well the cats are working. Thus you need to simulate the 2nd set of O2 sensors with the MIL elliminators.
Cool thanks man.