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#1
01-20-2010, 03:48 AM
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STUMPED BAD 02 SENSOR PROBLEM!!!!
Not too sure where to put this but here it goes anyway. About a month ago I started tearing out the tranny to have it rebuilt and do a new clutch etc etc. I finished it all up a few days ago and took it out for a spin. The next day the car started jerking and heistating really bad and I got a SES light, and my Autometer A/F guage stopped reading all together. I had it scanned and it was a bank 1 o2 sensor. So I went home pulled the plugs on the driver side and they were all fouled. So I assumed I needed a new 02.
Well tonight I proceeded to change all of the plugs and my buddie came over with 4 02s that he had laying around from his car. Still in good shape mind you. I swaped one in and the car still runs like shit and my A/F guage still isnt reading at all, it will flash occasionally but thats it. I tried a couple more sensors and still the same thing. Oh BTW this is the front sensor since I have LTs and a ORY. Iam going crazy here guys. I checked to see if the extension harness was melted and its not so I dont know I need help.
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111 
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#2
01-20-2010, 03:54 AM
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hmm thats odd....is it still throwing the code for the bad o2 even after replacing it? do u know anyone with a scan tool? id say its the only way to figure out that issue. cause that should tell u if its got a short in the wiring harness. from ur a/f gauge not working sounds like its prob the wiring harness.
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#3
01-20-2010, 04:44 AM
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(go out on a limb and assume you had the rears tuned out) or a bad sim.
other than that I'd say check all wires.
__________________
 99' T/A A4 i got parts!!! Tuned by GOD @ Slowhawk Performance. 325rwhp 333rwtq "Fifty years from now, when you're looking back at your life, don't you want to be able to say you had the guts to get in the car?" Quote:
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#4
01-20-2010, 06:38 AM
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are you also still having that skip shift soleniod code problem? you could have pinched the harness in between the motor and bellhousing, or its shifted over and melted on the header. check all harnesses and go from there.
__________________
 1998 Firebird:buncha parts thats used to make it go fast..... not so much anymore.  BAAAAAA!!!!!!
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#5
01-20-2010, 10:51 AM
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yeah the rears are tuned out of the system completely. The front driver side harness goes over the header and under the motor mount so its nowhere near the bellhousing. The harness for all of the tranny connections goes on top of the bellhousing so that might be pinched. I dont know Iam stumped for sure.
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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#6
01-20-2010, 11:39 AM
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Have you checked the fuse for the O2? Some newer cars have fuses for the O2's. Good luck!
__________________
 Ron85 Monte SS, 2004 Corvette LS6 w/02 T56, 9" rearend, 390/364 rwhp/tq ,Slowhawk tuned, 3575 lbs 11.74@114.6mph BACK IN THE GAME!! DD 06 Cobalt SS/sc, stock w/k+n only 14.78@97mph http://www.cardomain.com/ride/2151623 http://www.racecarsbyhalls.com http://www.slowhawkperformance.com Another show Lady- Why does your car say Corvette on the engine? We have a Corvette and your car doesn't look like one. LMFAO
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#7
01-20-2010, 02:25 PM
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well if your gauge isn't working I will go on a limb and say your splice into the 02 wire ripped split or just plain isn't having a good connection. did you extend your 02's? maybe your extention is bad. check the wireing good.
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 2000 SS Procharger 98 Z vert turbo 07 TB SS cai catback and tune
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#8
01-21-2010, 12:28 AM
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Yeah Jon I pulled the extension out and checked over pretty well and it seems to be fine. The splice into the sensor is good too. From the sounds of it I pinched a wire somewhere when putting the tranny back in. YaY I get to do it all over again.
__________________
2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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#9
01-22-2010, 03:31 AM
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Well its all fixed up. I let the tranny down tonight to see if I had pinched a wire and everything checked out ok. Then after a quick back and forth with Pizzaman I decided to just unhook the air fuel gauge for shits. Wouldnt you fucking know it the car is back to normal again. I cant believe it. Anyway thanks again Mike for the help tonight.
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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#10
01-22-2010, 07:03 AM
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your very welcome. and wierd all at the same time. Maybe everyone makle a note of this? a bad Air/Fuel Gauge can short out your O2 sensor signal wire and your car runs like ass?!?!? seems to be the case here. Great Job Man glad your happy!
__________________
1998 Firebird:buncha parts thats used to make it go fast..... not so much anymore. BAAAAAA!!!!!!
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