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Thread: o2 sensor problem
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04-12-2008, 01:05 PM #1
o2 sensor problem
Hello to all! Ok my problem starts with my o2 sensor bank 2 sensor 1. (The one upstream on the passager side.) I put a new one on had the SES light turned out drove it for 30 miles and it came back on. It is stock cats with a flowmaster cat back, so im not sure whats going on here. Now i do have apair of LT's with high flow cats i just order sitting here. By putting them on would this help at all? The car will not pass state emissions because of this problem. (The SES light) Any help would be great! Thank you.
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04-12-2008, 03:36 PM #2
what codes are ya showing ?
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04-13-2008, 02:42 AM #3
Not sure on the code so ill have to get back to you on that one.
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04-14-2008, 06:27 AM #4
The code that is showing is p0154. Is this up or downstream driver or passager side?
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04-14-2008, 06:53 AM #5
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
P0154 is insufficient activity bank 2, sensor 1 (passenger side, precat). Assuming the sensor is OK something else is going on - loose sensor, wiring, corroded connector, etc. www.gearchatter.com/viewtopic9159.php
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04-14-2008, 07:34 AM #6
SameO
I had the same code after header install and could not get rid of it. Turned out to be a small exhaust leak aft of #2 O2 on passenger side. I didn't think it would effect the front O2 but must have. After fixing leak light has stayed out. Good luck
2000 Z28 M6, SLP Lid, SLP Bellows, SLP UD,
P&P Maf, TB By-Pass, PS Shorties, LS6 Intake, FAST 78mm TB, Hooker CB, Hurst Billet, Front Tower Brace, small 218/218....527/527....114 cam.
337rwhp/348rwtq
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04-14-2008, 12:51 PM #7
Thanks to all for the help! Going into to garage tomorrow to see whats up. I will post to let you know whats going on.
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04-17-2008, 10:15 AM #8
just wanted to up everyone. Im getting my car back but they still arent 100% on what it is. Has something to do with the drive cycle and the monitors not comeing in.
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04-17-2008, 10:57 AM #9
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
Some info on drivecycle/readiness monitors: www.obdii.com/drivecycle.html
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04-24-2008, 07:54 AM #10
Just wantedto let everyone know problem is fixed! There was a tear in the o2 sensor sleeve up by the computer. Cost was 75 bucks. Never would have that of that. Thanks again for everyones help!!!
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