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  #1  
Old 01-26-2011, 05:56 PM
olblue88 olblue88 is offline
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Default where is the 02 sensor located

where is the 02 sensor located on a 88 ranger with a 2.9 i have rough idol at times. check engine light comes on sometimes aswell too. i was going to try the IAC and then the 02 sensor
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Old 01-26-2011, 06:11 PM
STL STL is offline
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Default Re: where is the 02 sensor located

mounted in exhaust manifold on passenger side of engine
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Old 01-26-2011, 08:36 PM
Psychopete Psychopete is offline
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Default Re: where is the 02 sensor located

If you have a CEL present, then you should pull trouble codes. o2 sensor will be down stream in the y-pipe before the cat on the passenger side. Look up from the bottom of the truck or directly down the firewall.
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Old 01-26-2011, 08:39 PM
southbama man southbama man is offline
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Default Re: where is the 02 sensor located

At the most there is 3. One on each side of the manifold and one further down the exhaust. The last one is either one in front of the cat or behind it.
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Old 01-26-2011, 11:15 PM
olblue88 olblue88 is offline
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Default Re: where is the 02 sensor located

the y pipe has been modified and the cat is gone. soooo i will hafta see lol
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Old 01-27-2011, 06:24 AM
Psychopete Psychopete is offline
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Default Re: where is the 02 sensor located

There is only ONE oxygen sensor. It's before the cat in the y-pipe after the manifolds near where the two banks meet. Easy to see and access from under the truck.
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Old 01-27-2011, 04:56 PM
olblue88 olblue88 is offline
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Default Re: where is the 02 sensor located

well like i said the previous owner put duals on it. the cat and the y has been modified. so no 02 sensor
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Old 01-28-2011, 06:36 AM
Psychopete Psychopete is offline
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Default Re: where is the 02 sensor located

It's going to run pig rich without it. Sorry to hear that though, I hate when previous owners fawk shit up like that, especially when making things worse. Either going to have to get a replacement y-pipe, aftermarket or stock cat, and start over - or I had a thought that you might be able to get away with a "h-pipe" style setup between the duals and welding an o2 sensor bung in the middle of the pipe.
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Old 01-28-2011, 02:58 PM
olblue88 olblue88 is offline
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Default Re: where is the 02 sensor located

yeah it sucks, looks like i will just leave it as it is lol. not going to go thru the hassle
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