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TobyWD40
Dodge Dakota
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10/25/2007
10:49:23
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 Subject: Multi-Port
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Message:
I'm trying to figure out the wiring on my 1992 3.9 Turbo MPI. What year did Dodge put the Multi-Port fuel injectors on the Dakotas ? What is the heated oxygen sensor and do I have one, if so where? It is shown in the wiring diagram for the Multi-Port Injectors with a common wire running to fuel injectors and coil,(Haynes manual 87-96 Dakota pick-ups first wiring diagram for models with multi-port injection). Thanks, TobyWD40
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TobyWD40
Dodge Dakota
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10/25/2007
13:02:11
|  RE: Multi-Port
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I figured out that the heated oxygen sensor is just the Oxy. sensor, duh. Ya can't blame me though there are so many it gets confusing. Someone find a brand new 92 thats never been started so we can compare it to this one HA! sorry for this dumb question. TOBY WD40
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daddio
Dodge Dakota
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10/25/2007
13:18:42
|  RE: Multi-Port
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a wise man once told me "the only dumb question is the one not asked".
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dakota49
Dodge Dakota
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10/25/2007
13:18:43
| RE: Multi-Port
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Toby. you are in luck the 92 was the first year for the multi-port injection. I'm not sure but I think yours has 2 o2 senors one in front of the cat. and one after the cat. I could be wrong on that though. The 02 senors are in the exhaust.
You seem to be learning pretty fast with your manual. I have the same one. there are a lot of differences between the 87-91 and the 92 and later ones.
Good Luck
Dakota49
1988 3.9 4X4 5speed
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Trev1
Dodge Dakota
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10/25/2007
20:08:56
| RE: Multi-Port
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Message:
Mine is a 92 v6 4wd and it only has one O2 sensor. When the fuel mileage dropped off a while ago I changed it out and it made the truck run better.
Trevor in SWMO
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