How many 02 sensors on 03 Ram 1500??? - DodgeForum.com


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How many 02 sensors on 03 Ram 1500???

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  #1  
Old 05-16-2007, 03:40 PM
Mikey22s
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Default How many 02 sensors on 03 Ram 1500???

How many oxygen sensors are on a 2003 dodge ram 4x4 ??

I have heard 4 and 2 ...which is it ?
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Old 05-16-2007, 03:48 PM
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Default RE: How many 02 sensors on 03 Ram 1500???

OBDII requires 4. 2 before the cats, 2 after. So based on what I know about OBDII it should be 4.
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Old 05-16-2007, 03:55 PM
Mikey22s
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Default RE: How many 02 sensors on 03 Ram 1500???

Under my truck...i have one sensor before the car and i have one after it.....thats all i can find.
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Old 05-16-2007, 03:57 PM
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Default RE: How many 02 sensors on 03 Ram 1500???

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ORIGINAL: Mikey22s

Under my truck...i have one sensor before the car and i have one after it.....thats all i can find.
Try the other side You have dual exhaust to the point where the two pipes come together to connect to the CAT back. THough I am not sure if it comes together and through one CAT or it has two CATs. I guess if it just has one CAT then yes, 2 O2s would be right. 1 before and 1 after.
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Old 05-16-2007, 03:59 PM
Mikey22s
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Default RE: How many 02 sensors on 03 Ram 1500???

Right.....it splits, goes up on the passengerside then comes around the back of the motor and up on the driver side.....on the drivers side i cannot find them anywhere.
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Old 05-16-2007, 07:53 PM
DeWalt378G
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Default RE: How many 02 sensors on 03 Ram 1500???

that's how it is on mine o2 before the cat and one after and that's it
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Old 05-16-2007, 08:50 PM
Mikey22s
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Default RE: How many 02 sensors on 03 Ram 1500???

I gave the dodge dealship my vin and the 03 model has 4, 2 down where the cat is and then the others up where the pipe is beside the manifold
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Old 05-16-2007, 09:05 PM
DeWalt378G
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Default RE: How many 02 sensors on 03 Ram 1500???

yours must be late 03 i guess. i replaced my entire exhaust system and there were only 2
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