P2A00 trouble code
#1
05-11-2008 | 05:27 PM
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Three Wheeling
Joined: Jan 2008
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From:
P2A00 trouble code
My check engine came on today. used my code reader and got P2A00 bank one sensor one.I am not sure what the problems cause i changed that oxygen sensor last week because i was getting A P0135 code prior to changing the sensor. can any one help? Was there anythingspeical i was suppose to dobefore,while, or after installing the new02 sensor?
#4
05-12-2008 | 12:34 PM
Administrator
Joined: Apr 2006
Posts: 25,707
Likes: 106
From: Denver, Colorado
RE: P2A00 trouble code
Still don't know where you got that code, but any way, your question now is what, how to turn the light off?? Do it with the scanner.
If it won't go off, then you have another problem, if that is the case, e-mail me your tele number and a good time for me to call you.
mikeljacobs@comcast.net
If it won't go off, then you have another problem, if that is the case, e-mail me your tele number and a good time for me to call you.
mikeljacobs@comcast.net
#5
05-12-2008 | 10:42 PM
Pro Wrench
Joined: Apr 2008
Posts: 1,475
Likes: 35
RE: P2A00 trouble code
p2a00 is a code for your bank 1 upstream sensor range performance. it is a rover code, they changed format a few years ago on the bmw engine mike. and bad news for you snugg, you changed the wrong one, but that most likely isnt the fix anyway. bank one is the pass. side on that engine, so its the other side, however, there is good news too, this fault is almost always caused by pin hole air leaks in your cat, very common, sucks air into the exhaust and screws up your o2 readings, but you do have an emmisions warr. until 80000 miles, take it to a dealer, and theyll replace the cat for free.
#6
05-12-2008 | 11:51 PM
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Three Wheeling
Joined: Jan 2008
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RE: P2A00 trouble code
i still have the old sensor i removed. ithink i'm going to try andreplace the one on the passenger side with the one that i removed from the drivers side and see what codes pop up. i want the dealer to be kinda of the last resort. i don't want them to to ring up 3 O2 sensors to my tab before they can decide if it is the cat. Would this be something testbook could determine right away or is thebasic trail and error method still common practice by dealers.
#7
05-13-2008 | 11:23 AM
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Joined: Apr 2006
Posts: 25,707
Likes: 106
From: Denver, Colorado
RE: P2A00 trouble code
ORIGINAL: roverguy7
p2a00 is a code for your bank 1 upstream sensor range performance. it is a rover code, they changed format a few years ago on the bmw engine mike. and bad news for you snugg, you changed the wrong one, but that most likely isnt the fix anyway. bank one is the pass. side on that engine, so its the other side, however, there is good news too, this fault is almost always caused by pin hole air leaks in your cat, very common, sucks air into the exhaust and screws up your o2 readings, but you do have an emmisions warr. until 80000 miles, take it to a dealer, and theyll replace the cat for free.
p2a00 is a code for your bank 1 upstream sensor range performance. it is a rover code, they changed format a few years ago on the bmw engine mike. and bad news for you snugg, you changed the wrong one, but that most likely isnt the fix anyway. bank one is the pass. side on that engine, so its the other side, however, there is good news too, this fault is almost always caused by pin hole air leaks in your cat, very common, sucks air into the exhaust and screws up your o2 readings, but you do have an emmisions warr. until 80000 miles, take it to a dealer, and theyll replace the cat for free.
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