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1994 f150 5.0 Oxygen Sensor Question

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Old 11-14-2009, 08:10 PM   #1
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Default 1994 f150 5.0 Oxygen Sensor Question

Guys,

I swapped out my O2 sensor today and a freind ask if I did them both? Are there two? I only found one before the cat... It has me wondering now if I missed something...

Thanks,

Mike Nashville
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Old 11-14-2009, 08:40 PM   #2
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there is only 1 on that truck...
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Old 11-14-2009, 09:09 PM   #3
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Thank you, thought I was getting old at 49 :o)
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Old 11-14-2009, 09:18 PM   #4
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Age is in the mind, As long as we are working on our Fords, inside we are still that teen ager in our garages still souping up and fixin our rides.
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Old 11-14-2009, 11:04 PM   #5
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In YM 1994 they came with one or two O2 sensors. The critical one is in front of the cat. The one on the rear, if equipped, only reads as a check of the cat performance and generally never fails. If you don't see one right after the cat, you don't have but one on the truck.
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Old 11-15-2009, 05:07 AM   #6
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Just one, the '96 and up has three. California trucks started with three in '95.
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Old 11-15-2009, 02:43 PM   #7
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Yep I got a 1996 and i got 2 before and 1 after the cats... i plan on changing exhauast here soon will that cause problems? i want true duals..
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Old 11-16-2009, 12:46 AM   #8
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Quote:
Originally Posted by Nick1996 View Post
Yep I got a 1996 and i got 2 before and 1 after the cats... i plan on changing exhauast here soon will that cause problems? i want true duals..

I have the same question, if i'm gonna make a true dual system on my truck what are some ways to make sure the O2 sensors will still do their job. anyone with a true dual set up that has had to work around this problem?
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