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error code p0138 what to do ?

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Old 08-12-2007, 06:22 AM
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Default error code p0138 what to do ?

The check engine light is on and when I turn the key to get the code it gives me P0138.
for thecode P0138 i ve findfollow" 02 SENSOR CIRCUIT HIGH VOLTAGE BANK 1 SENSOR 2" ! ist that right for a 2003 Dodgeram with the 5.7 hemi .
and what i have to do !

Thanks
martin
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Old 08-21-2007, 08:50 PM
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Default RE: error code p0138 what to do ?

Martin,
I have the same code...only and always happens when it gets rainy or wet. From what I can tell, this is the right rear downstream O2 sensor. (The one after the CAT). Hope this helps.
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Old 08-21-2007, 09:25 PM
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Default RE: error code p0138 what to do ?






O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)thats right....try replacing the sensor....not very expensive
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Old 08-21-2007, 10:27 PM
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Default RE: error code p0138 what to do ?

Hey HEMIYELLOW,
Just how many O2 sensors are there? And just what do you call the right side? Is that the 2-4-6-8 cylinder side? Tnx
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Old 08-21-2007, 11:07 PM
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Default RE: error code p0138 what to do ?

i had this code too a while ago. turns out it wasa loose harness, so check your harness before you go replacing your sensor.
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Old 08-21-2007, 11:11 PM
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Default RE: error code p0138 what to do ?

on the 5.7 there's 4...i dunno bout the 4.7 but i would assume 4 as well.....too lazy to find my service manual CD's and look lol
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Old 08-21-2007, 11:52 PM
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Default RE: error code p0138 what to do ?

i've always known right side as driver side....bank 1 i'm pretty sure is driver side, bank 2 is pass side
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Old 08-22-2007, 11:13 AM
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Default RE: error code p0138 what to do ?

Bank 1 is pass side, sensor #2 is the rear one.


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Old 08-22-2007, 04:15 PM
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Default RE: error code p0138 what to do ?

Now I'm really confused! Left, Right, Bank 1, Bank 2. Help!
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Old 08-22-2007, 06:12 PM
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Default RE: error code p0138 what to do ?

I stand corrected and a little embarassed.

Just checked the manual and bank 1 is the driver side.

The 04 hemi has 2 cats, therefore 4 sensors.

When I last looked this up it was for my 98 dak with only 1 cat.
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Old 08-22-2007, 06:12 PM
 
 
 
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04, 2003, 57, 98, auto, bank, code, dakota, dodge, engine, hemi, p0138, ram, sensor, truck

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