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post #1 of 16 Old 04-15-2014, 07:59 PM Thread Starter
kylekae
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P0133

Hello, p0133 keeps popping after I clear it. My 06 lj just got new cats under warranty in JAN. I know the code is for bank 1 sensor 1 so I replaced it with a NGK 02 sensor cause I know jeeps hate Bosch sensors. What should I do?

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post #2 of 16 Old 04-16-2014, 06:12 AM
rchase559
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Have you checked the fuses in the PDC under the hood? A few years back, I don't remember the exact codes but it was throwing a few that were O2 sensor related. I found the O2 sensor fuse in the PDC was blown and the codes all went away after replacing it.
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post #3 of 16 Old 04-17-2014, 05:25 PM Thread Starter
kylekae
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I just checked the fuse, and they are fine
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post #4 of 16 Old 04-22-2014, 09:24 AM Thread Starter
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Bump
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post #5 of 16 Old 04-24-2014, 02:29 PM Thread Starter
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Bump to the top
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post #6 of 16 Old 04-25-2014, 04:45 AM
kristi5683
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My rubi throws this code with the ce light almost every time I go wheeling... I don't see any issues with blown fuses though...but I probably need to double check.. Mine generally goes away one the 4 hour drive home from wheeling but I do remember it had this code when I first looked at it to buy it. No check engine light though. Are you getting the CE light as well? Does it go away on its own? Any other codes?
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post #7 of 16 Old 04-25-2014, 08:58 AM
robncar
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In case you haven't seen this:

P0133-O2 SENSOR 1/1 SLOW RESPONSE

When Monitored: Vehicle is started and driven between 20 and 55 MPH with the Throttle open for a minimum of 120 seconds. Coolant greater than 70C (158F). Catalytic Converter Temp greater than 600C (1112F) and EVAP Purge is active.

Set Condition: The oxygen sensor signal voltage switches less than 16 times from lean to rich within 20 seconds during monitoring. Two Trip Fault.

POSSIBLE CAUSES
GOOD TRIP EQUAL TO ZERO
EXHAUST LEAK
O2 SIGNAL CIRCUIT
O2 RETURN CIRCUIT
O2 SENSOR

LOCATIONS:
#1 - 1/1 O2 SENSOR (UPSTREAM FRONT)
#2 - 1/2 O2 SENSOR (UPSTREAM REAR)
#3 - 2/1 O2 SENSOR (DOWNSTREAM FRONT)
#4 - 2/2 O2 SENSOR (DOWNSTREAM REAR)
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http://www.jeepforum.com/forum/f9/diy-alignment-kit-steps-w-pics-2264465/
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post #8 of 16 Old 04-25-2014, 10:37 AM
JPNinPA
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Check groan exhaust leak.

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post #9 of 16 Old 04-25-2014, 11:29 AM
biffgnar
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Many years ago I had similar problem with my 06. It took dealership replacing the PCM (under warranty at the time) to fix it. If you got your cats under warranty maybe you are still within the 8/80 (not many TJs are). IIRC I've seen other threads with late model TJs that had same issue.
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post #10 of 16 Old 04-25-2014, 12:50 PM Thread Starter
kylekae
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My 06 is no longer under warrenty, I'll run a smoke test and check for exhaust leaks.
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post #11 of 16 Old 04-27-2014, 03:03 PM
JPNinPA
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You didn't put the wrong sensor in that position? Is this a new O2? If so what brand?

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post #12 of 16 Old 04-27-2014, 03:06 PM
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Quote:
Originally Posted by JPNinPA View Post
You didn't put the wrong sensor in that position? Is this a new O2? If so what brand?
OP says NGK.

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post #13 of 16 Old 04-27-2014, 07:55 PM
tsut
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May not relate, but I had a combo code including a set of O2 sensor codes: 0123 0138 0139; changed the Throttle Position Sensor (TPS) and it did the trick. CEL went out and hasn't come back. Would guess upstream (TPS) issue tripped the downstream O2 sensors, in my case at least.

Tom
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post #14 of 16 Old 04-29-2014, 08:09 PM Thread Starter
kylekae
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I put a new NGK front of cat, front in position 1 of the diagram above so I think it's in the right place. And I'm only getting 1 code so it's not the PCM.
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post #15 of 16 Old 04-29-2014, 09:29 PM
BYuen
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Garage
Those 4 bolts that hold the y-pipe to the header can loosen causing an exhaust leak which can throw the code. Try to tighten those 4 bolts. Might solve the issue.
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