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o2 sensor problem

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Old 07-01-2005, 03:03 PM   #1
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o2 sensor problem

2 days ago my truck threw code p0137, o2 sensor low voltage. which one is this? cleared the code, and last night ses light came on again. there is no loss of power, truck runs exactly the same, and i am getting good gas mileage, no noticeable drop. i replaced the manifold o2 sensor within the past 6-8 months, so i dont know why it would be bad already if that is the sensor it is throwing a code for.
Old 07-01-2005, 03:55 PM   #2
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Re: o2 sensor problem

it would prolly help if you posted year and engine size, and did you use a dealer sensor? ONLY use a gm sensor.
Old 07-01-2005, 09:44 PM   #3
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Re: o2 sensor problem

it says in my sig the truck is a 98, and i posted in 2.2 forum, so that means the truck is a 2.2. i used a bosch oem sensor.
Old 07-01-2005, 11:50 PM   #4
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Re: o2 sensor problem

how much is a o2 sensor?
Old 07-02-2005, 12:09 AM   #5
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Re: o2 sensor problem

not saying that its bad...but there is another O2 sensor after the cat
Old 07-03-2005, 05:50 PM   #6
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Re: o2 sensor problem

i know that, but i think that code has to do with the manifold 02 sensor
Old 07-05-2005, 03:27 PM   #7
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Re: o2 sensor problem

p0137 is 02 sensor circurt low volts (bank 1 sensor 2) im haveing the same problem but i got more then one code.. and it stinks because now my gas mileage went from 300 down to 200 to a tank ... and that code i gave u is from a 97 s10 but obd 2 says all codes are the same though year though year.. also if u guys are geting other codes around these problems its p0131 os sensor circuit low volts (bank 1 sensor 1) p0141 o2 sensor heater circuirt malfunction (bank 1 sensor 2) and po151 02 sensor circuit low volts (bank 2 sensor 1) now with gm discount they are 105 each if they are not the manafold and if u go to pepboys u can get them 59 dollars each from bosh..
Old 07-05-2005, 11:22 PM   #8
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Re: o2 sensor problem

O2 sim
Old 07-09-2006, 04:52 AM   #9
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Re: o2 sensor problem

Quote: Originally Posted by Dr. Nate
O2 sim
does the o2 sim work for all 3 or just the one behind the cat?
Old 07-09-2006, 03:12 PM   #10
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Re: o2 sensor problem

Just the one behind the cat.
Old 07-10-2006, 03:49 AM   #11
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Re: o2 sensor problem

Quote: Originally Posted by Dozer600
Just the one behind the cat.
DAM Thanx anyways
Old 09-10-2013, 06:32 PM   #12
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Re: o2 sensor problem

Any resoloution to this?
Old 09-10-2013, 07:00 PM   #13
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Re: o2 sensor problem

did you see how old this thread was ?............
Old 09-14-2013, 01:06 PM   #14
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Re: o2 sensor problem

P0137 is the post-catalyst heated sensor.

It may be as much as $80 I think. Maybe less. Only other possibility is a bad PCM for this code. Or wiring.
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