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1990 Toyota Pickup O2 sensor wiring
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Reaperabb
Novice
Mar 24, 2009, 4:23 PM
Post #1 of 10
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1990 Toyota Pickup O2 sensor wiring
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I got a 1990 Toyota pickup 3.0L 4wd and I bought I bosch unversial oxygen sensor because the old one had all the wires off of it and it make the engine light come on. The wires on my truck and the wires on my sensor dont have the same colors, so i dont know what wires go where. I got a picture of the wires on the truck and on my new unversial sensor. Also i got a diagram of what the wires are , but i dont know what the letters mean on the picture where the sensor is. I called Bosch Toyota and no hope. So i'm kind of out on a limb here.
Sensor wires on the truck Black, Brown, Pink (Green stripe), and White (Red stripe). On the sensor Black is the signal wire, Gray is the signal ground and the two white are the heater circuit wires.
Heres the link to the pictures:
http://www.facebook.com/...536&l=1e1898301b
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 24, 2009, 4:45 PM
Post #2 of 10
(4812 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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I kinda suggest getting the correct one for this or you are just wasting money,
T
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Loren Champlain Sr
Veteran
/ Moderator
Mar 24, 2009, 4:57 PM
Post #3 of 10
(4807 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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I was going to suggest the same thing. The Bosch OE replacement sensors are about the same price as the universal Bosch units. We charge an additional .5 hrs. labor if we have to use one of the universal ones.
Loren
SW Washington
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Reaperabb
Novice
Mar 24, 2009, 4:58 PM
Post #4 of 10
(4807 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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I cant carry it back now because i put it in the exhaust and had the truck running.
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Loren Champlain Sr
Veteran
/ Moderator
Mar 24, 2009, 5:03 PM
Post #5 of 10
(4800 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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You can't carry it back? They really aren't that heavy.
Loren
SW Washington
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Reaperabb
Novice
Mar 24, 2009, 5:05 PM
Post #6 of 10
(4800 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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Do the the orginal have the same color wires?
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Reaperabb
Novice
Mar 24, 2009, 5:08 PM
Post #7 of 10
(4797 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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lol no i mean i cant bring it back
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Loren Champlain Sr
Veteran
/ Moderator
Mar 24, 2009, 5:17 PM
Post #8 of 10
(4793 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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Oh. LOL...Yes, the OE type uses the same color coding.
Loren
SW Washington
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Reaperabb
Novice
Mar 24, 2009, 5:19 PM
Post #9 of 10
(4790 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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I might consider spending another $100 because i cant get this one to work! lol
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Loren Champlain Sr
Veteran
/ Moderator
Mar 24, 2009, 5:21 PM
Post #10 of 10
(4786 views)
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Re: 1990 Toyota Pickup O2 sensor wiring
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Well, you could always put the old one on the coffee table and use it for a conversation piece? LOL.
Loren
SW Washington
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