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09-08-2010, 09:11 PM
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#1
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Join Date: Dec 2008
Location: NNJ
Posts: 1,489
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SES light - 97 LT1
Drove the car few blocks down the road, parked it, came back maybe 15mins later to go back. got a bit throttle happy (maybe like 3.5-4k) and let off and my SES light came on ... ??? im goin to an autozone to get a readout
any idea? i checked the gas cap, and it didn't hiss or anything ... bad cap?
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1997 Camaro Z28 - 355 LT1, T56, CC503, LTs, ORY, Bald Eagle-back exhaust, !emissions, Lingenfelter CAI, EWP, !CAGS, BMR LCAs, UMI PHB, Koni Str.t/Koni SA, C5 Z06 front / LS1 F-body rear brake swap, factory hurst with short stick 
2014 2LT Cruze 2.0 Turbo Diesel
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09-08-2010, 09:48 PM
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#2
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Join Date: Jul 2009
Location: barnegat nj
Posts: 1,340
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post up the code & should be able to help with the cause
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Quote:
Originally Posted by SRGN
I never pulled into the staging beams at the track and saw a dyno in the other lane.
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South Jersey Racecraft
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09-08-2010, 10:21 PM
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#3
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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codeeeeee
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09-08-2010, 11:26 PM
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#4
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Join Date: Dec 2008
Location: NNJ
Posts: 1,489
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will do tmr after class @ 11
both pepboys/autozone do scans correct?
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1997 Camaro Z28 - 355 LT1, T56, CC503, LTs, ORY, Bald Eagle-back exhaust, !emissions, Lingenfelter CAI, EWP, !CAGS, BMR LCAs, UMI PHB, Koni Str.t/Koni SA, C5 Z06 front / LS1 F-body rear brake swap, factory hurst with short stick
2014 2LT Cruze 2.0 Turbo Diesel
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09-09-2010, 10:50 AM
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#5
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Join Date: Dec 2008
Location: NNJ
Posts: 1,489
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Went to a local Advanced Auto, guy gave me the scan tool (nice guy haha) and i came up with 2 codes both P0161 (the second had a pd superscript ??? ) According to the interweb this is what i came up with
Quote:
What does that mean?
It basically means the PCM detected either an excessive current draw, or an open or short in the circuit powering the oxygen sensor's heater circuit. This is in reference to the Heated Oxygen Sensor (2) located rear of catalytic converter (Bank 2).
Symptoms
There will likely be no obvious symptoms other than MIL illumination.
Causes
A code P0161 may mean that one or more of the following has happened:
HO2S heater power circuit open
HO2S heater ground circuit open
HO2S signal tracking (due to oil or moisture in the connector)
HO2S is damaged or has failed PCM has failed
Possible Solutions
Replace HO2 Sensor
Repair open or short in power circuit
Repair open or short in ground circuit
Repair damaged connector due to tracking
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So i erased the code for now, see if it pops back up. drove back (4 miles) and brought up the rpm's, light didnt come back yet.
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1997 Camaro Z28 - 355 LT1, T56, CC503, LTs, ORY, Bald Eagle-back exhaust, !emissions, Lingenfelter CAI, EWP, !CAGS, BMR LCAs, UMI PHB, Koni Str.t/Koni SA, C5 Z06 front / LS1 F-body rear brake swap, factory hurst with short stick
2014 2LT Cruze 2.0 Turbo Diesel
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09-09-2010, 11:23 AM
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#6
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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99.99999% of the time its the o2 sensor. that code pertains to bank 2, sensor 2 which is your rear o2 behind the passenger cat. you can replace it, get a sim, or tune it out. it simply reads the exhaust and makes sure the cat is still doing something.
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09-09-2010, 11:47 AM
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#7
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Join Date: Dec 2008
Location: NNJ
Posts: 1,489
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Hmm ill keep an eye on it see if it comes back. there was no lack in pwr or thr response so is there any point to it?
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1997 Camaro Z28 - 355 LT1, T56, CC503, LTs, ORY, Bald Eagle-back exhaust, !emissions, Lingenfelter CAI, EWP, !CAGS, BMR LCAs, UMI PHB, Koni Str.t/Koni SA, C5 Z06 front / LS1 F-body rear brake swap, factory hurst with short stick
2014 2LT Cruze 2.0 Turbo Diesel
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09-09-2010, 02:32 PM
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#8
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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like i said, it simply monitors the cat to ensure it is working. you will have to do some steady highway driving around 50-55mph to reset that monitor then to see if the code appears.
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10-08-2010, 03:58 PM
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#9
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Join Date: Dec 2008
Location: NNJ
Posts: 1,489
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Came back today, went like 0.5 miles down the road. I havnt kept track of the mileage since the last reset. I went to advanced they charge like $110 for the downstream sensor (although a buddy there can give me it for cost). Is a O2 sim worth it? I have the stock manifolds/y/cats but that could change in the future... or should I just get an OEM replacement?
Thanks!
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1997 Camaro Z28 - 355 LT1, T56, CC503, LTs, ORY, Bald Eagle-back exhaust, !emissions, Lingenfelter CAI, EWP, !CAGS, BMR LCAs, UMI PHB, Koni Str.t/Koni SA, C5 Z06 front / LS1 F-body rear brake swap, factory hurst with short stick
2014 2LT Cruze 2.0 Turbo Diesel
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10-09-2010, 08:21 AM
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#10
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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its up to you. you can tune the rear o2 out and pass inspection, plug in a sim and pass inspection, or replace it and pass inspection. really depends on your future plans with the car and whether or not it will include real working cats.
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10-09-2010, 09:21 AM
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#11
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Guest
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i would just get it tuned out so you never have to worry about replacing any rear O2s again
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