Turner Test Pipes with Stage II Tune- getting CEL

[BPMSport]

Originally Posted by Fen335i

Damn, $115 for the same Bosch sensor I bought for $147. That's a heck of a price. Well, when the other side fails I guess I know where to buy it! I never thought of buying an O2 sensor on Amazon...I guess they pretty much carry everything now. ;-)

Seriously... hahahaha

I love Amazon. Prime all the way !

[bmobile]

they were $105 just a few days ago

[ChrisDUS]

Had mine just replaced under warranty (before it's over in 2 weeks).

Symptoms were CEL which occurred 2 times under constant cruising @ 70 MPH with cruise control. Went away after 5 or 10 ignition cycles.
And when I would go WOT in 3rd at 2000rpm the car would in 80% of the cases not accelerate as fast as it could until it reached 3000rpm. This is gone now, but could also have to do with update from 170E to 240E.

[bmobile]

update: I replaced the sparks plugs and both pre-cat o2 sensors last week. When I cleared the fault code, I noticed another one: 27B1 secondary air system... Any insight on this?

I cleared them both, driven about 50miles and they haven't returned. The car definitely feels smoother at low-end likely due to the new spark plugs, but still a bit sluggish between 5-8k rpm.

[M3LISSA]

Hi guys, I'm resurrecting this thread. Can anyone confirm for sure that bank 2 is the drivers side sensors? I am going to try to post the picture of what I got when I checked my cars ECU... I will order this on amazon, and do it myself if it's easy enough. I have a floor Jack and two Jack stands and I can get more to do the job. I just want this cel to go away and don't like running my car with bad sensors.

[M3LISSA]

Trying again, forget it. Anyway it says 27C7, and 2727 both bank 2.