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Randy
01-10-2013, 01:09 PM
Hi all,
Its been a while since I've been on here, but a recent check engine light has brought me back in.

I had it scanned at Mr.Lube (they do it for free) and the code was P1183.

From my understanding this is related to an O2 sensor problem.

Would anyone know which O2 sensor this is? I believe the car has four of them.

My car is a '99 E46 with the 2.5L motor (M52).

Thanks for any help!

Randy
01-10-2013, 01:12 PM
update: Just googled P1183 and found

'P1183 O2 Sensor (Bank 2 Sensor 2) Open Circuit During Coast Down Fuel Cut-off'

this may help?

I still dont know where in the car this sensor is located though.

dcramer
01-10-2013, 02:01 PM
sensor 2 is probably the post cat sensor

Randy
01-10-2013, 03:30 PM
foudn this photo on the net - is it accurate? the one with blue writing? bank 2 post cat - i think

ac_2007
01-10-2013, 05:01 PM
Bank 2 Sensor 2 = Cylinders 3-6, after the cat.

Don't ask me if you start counting the cylinders from front to back, or back to front lol.

Randy
01-15-2013, 07:51 AM
where do you recommend i buy an o2 sensor from?

NGK is $120 from Partsource
and BOSH is over $240 - each!!

any recommendations?

i just picked up the tool at princess auto for $8

dcramer
01-15-2013, 08:10 AM
if its just the post cat sensor I wouldn't spend a whole bunch on them

Dave

ac_2007
01-15-2013, 05:16 PM
where do you recommend i buy an o2 sensor from?

NGK is $120 from Partsource
and BOSH is over $240 - each!!

any recommendations?

i just picked up the tool at princess auto for $8

Autopartsway.com has Bosch sensors for around $80

FCPEuro is another vendor (and frankly more favourable) which will have them in stock, with cheap shipping for us Canadians.


Like the other poster said, if they're after-cat sensors, its not really a critical item, and has no impact whatsoever on drivability or fuel economy. If you don't want to spend too much, you can buy a cheaper off-brand sensor for the post-cat location, but never cheap out on the pre-cats.

BmW1819
01-15-2013, 09:03 PM
Yes this is the commom o2 to go and dont try to tackle this your self u will regret it. Its nasty to do orless u got torches and crow foot

Its not critical but cheaper will fail faster and check engine will come on faster get bosch