Check engine light = P0133 code
Thread Starter
Cruising
Joined: Dec 2010
Posts: 11
Likes: 0
Check engine light = P0133 code
Hey guys, my 02 z06 recently threw a check engine light. I diagnosed it and the code is P0133, which is O2 Sensor Circuit Slow Response (Bank 1 Sensor 1).
Should I have the o2 sensor replaced? I am at 41,xxx miles. Just seeing if anyone else had this issue around my mileage.
Thanks everyone.
Should I have the o2 sensor replaced? I am at 41,xxx miles. Just seeing if anyone else had this issue around my mileage.
Thanks everyone.
Safety Car
Joined: Jan 2008
Posts: 4,797
Likes: 52
From: Boise
Had this problem, had to replace the o2 sensor.
I suggest buying the adapters that allow you to run your rear o2 sensors up front, those have better heaters on them since they are farther away.
I also replaced both my front o2's with ones made by denso, simply because they resist alternate fuels much better
Hope that helps.
I suggest buying the adapters that allow you to run your rear o2 sensors up front, those have better heaters on them since they are farther away.
I also replaced both my front o2's with ones made by denso, simply because they resist alternate fuels much better
Hope that helps.
Instructor
Joined: Dec 2010
Posts: 136
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Thread Starter
Cruising
Joined: Dec 2010
Posts: 11
Likes: 0
I purchased the car used, so not 100% sure what the setup is. The rear sensors could be tuned out for all I know. I am taking it to a tuner next week to get an idea before I buy any more o2 sensors. In the meantime, I was just wondering if anyone else experienced problems with their sensors around my mileage. Seems to be a common problem.
Racer
Joined: Nov 2009
Posts: 488
Likes: 0
From: Corpus Christi Texas
Where is the best place to buy the rear o2's from?
My car threw this code a while ago along with P0153 (for the other bank), then I took it to get tuned and they both went away until after I got the cam intsalled and re-tuned, now 0133 is back..
My car threw this code a while ago along with P0153 (for the other bank), then I took it to get tuned and they both went away until after I got the cam intsalled and re-tuned, now 0133 is back..
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
More than likely the rear 02's have been tuned out already or you would be getting several rear 02 codes
LT's always cause front 02 issues--If you jyst replace them with new front ones they will again eventually go bad--Reason being the LT 02 bung locattions are now further aft than stock and the 02's never heat up properly---replacing them with the rear sensors is often done--the rears are much more sensitive and heat up better---
PS: If your rears are still on the car--use them !!!!! just move them to the front and stick the fronts onto the rear location--You may have to purchase adapter pigtais----If the code disappears after deleting them you're OK if NOT you'l have the adaters then just get new rears and install on the front--- Sometimes if the rears are deleted and left on the car they will beome fouled and go bad---
LT's always cause front 02 issues--If you jyst replace them with new front ones they will again eventually go bad--Reason being the LT 02 bung locattions are now further aft than stock and the 02's never heat up properly---replacing them with the rear sensors is often done--the rears are much more sensitive and heat up better---
PS: If your rears are still on the car--use them !!!!! just move them to the front and stick the fronts onto the rear location--You may have to purchase adapter pigtais----If the code disappears after deleting them you're OK if NOT you'l have the adaters then just get new rears and install on the front--- Sometimes if the rears are deleted and left on the car they will beome fouled and go bad---
Racer
Joined: Nov 2009
Posts: 488
Likes: 0
From: Corpus Christi Texas
Also, is this the correct adapter? I have a 2002 Z06
http://www.racetronix.biz/itemdesc.a...1%2DO2&eq=&Tp=
http://www.racetronix.biz/itemdesc.a...1%2DO2&eq=&Tp=
Last edited by WowGuyZ06; Jan 9, 2011 at 12:28 AM.
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
YES
PS: the rear 02's only report the condition of the cats--and have no real affect on engine operation-other than when the cats get hot---the ECM will dump fuel to cool them off and the eng may lose power from being overly rich
The front 02's however on a car with a MAF are critical--engine won't run prperly without them---( will run in a reduced power level to get you home )
Last edited by tblu92; Jan 9, 2011 at 01:00 PM.
