96 f150 o2 sensor question
11-21-2009, 10:32 PM
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96 f150 o2 sensor question
hi im new to this site and f150's for that matter. i just bought a 96 f150 4x4 v6 for the winter. and my check engine light is on for bank 1 sensor 2. i replaced it and the light is back on 20 miles later. i havent read it up yet to see wut it is but i noticed some1 cut out the catylitic converter and replaced it with a straight pipe. exactly how many o2 sensors is this truck suuposed to have? i noticed 1 in each manifold so i found 2. isnt there supposed to be one also behind the catylitic converter? i looked for the wires where i could hook one in but couldnt find any which lead me to believe there is only the 2 in the manifolds ? thanks for th e help
11-22-2009, 06:20 PM
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11-23-2009, 04:47 PM
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ok so i pulled the exhaust off a 93 f150 and it has 2 cats asnd an o2 sensor in the same spot as mine. where the pipes bend to go towards the back of the truck the 2 pipes are welded together and there is an o2 sensor there. before both cats . does this sounds correct? and if so does it pulg in by the tranmission? cause thats the only place i see a plug for it but it doesnt look like it reaches ? sorry im confused
11-23-2009, 08:49 PM
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ok since noone answers me can some1 with a 96 f150 4x4 v6 please tell me how many o2 sensors you have, where they are positioned and if you have 2 catylitic converter i would appreciate it. thanks
11-23-2009, 08:57 PM
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The 96 F150 is what is called an OBD2 setup which was started in that year. Therefore, the exhaust setups and computers are differently tuned to the according years. I have to ask, did you reset the codes on the ECU after you replaced the O2 sensors? By this I mean unplug your battery for 15-30 minutes to reset everything. After that and you have driven it for a minimum of 15 miles and your CEL still comes on then come back on here and we'll work out the issue.
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11-23-2009, 09:03 PM
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The 96 F150 is what is called an OBD2 setup which was started in that year. Therefore, the exhaust setups and computers are differently tuned to the according years. I have to ask, did you reset the codes on the ECU after you replaced the O2 sensors? By this I mean unplug your battery for 15-30 minutes to reset everything. After that and you have driven it for a minimum of 15 miles and your CEL still comes on then come back on here and we'll work out the issue.
