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How many o2 sensors?

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Old 04-29-2012, 07:36 PM
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How many o2 sensors?
I have a 1991 f150 5.8 e40d 4x4 i saw only one o2 sensor but i just wanted to make sure?
 
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Old 04-29-2012, 10:26 PM
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That's right it only has one.
 
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Old 08-30-2012, 11:08 AM
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Do all OBD1 have only one oxygen sensor?
I have a 95 F150 5.0. Only one, correct?
 
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Old 08-30-2012, 11:55 AM
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The OBD-1 trucks only received a single O2 sensor. The OBD-1 V8/V6 Mass-Air cars generally got two.
 
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Old 08-31-2012, 02:33 PM
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Thanks, guys. I thought so, but then I read some posts stating there were three. I was sure there was only one; on the Y-pipe.

Is there a best layout for routing the spark plug wires to reduce the possibility of induction crossfire?
 
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