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02 sensors and rough idle

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Old Oct 31, 2005 | 09:31 AM
  #21  
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I got the Bosch, pn# 13444 from Oreilly auto. It was $75 and some change out the door. I looked for the A/C delco ones as stated above and got nothing on availablity except through the dealership. I don't know, I guess everyone wanted the AC ones.

I also heard the Corvette ones worked in our cars. But can someone elaborate on this?
Bosch pn# 15703 $53.99
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Old Oct 31, 2005 | 11:03 AM
  #22  
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Originally Posted by shouldaboughttheZ
I also heard the Corvette ones worked in our cars. But can someone elaborate on this?
Bosch pn# 15703 $53.99
The rear Vette # is 13111,that's the Bosche one you need.If your running headers,they have a longer wire,so no need for extensions.They also have a higher heater wattage.
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Old Oct 31, 2005 | 01:00 PM
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These are fine to use in place for a 2001 trans am? I just need to replace front right and left correct if I'm having o2 issues. So basically rear vette o2's = ls1 replacement front o2s
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Old Oct 31, 2005 | 01:12 PM
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Originally Posted by shouldaboughttheZ
get some electronics cleaner & clean the tiny wires on your MAF. The MAF is the sensor in the tubing near the throttle body. Use a q-tip & do not push on the tiny wires or resistors. Must be careful not to damage.
does it idle rough in open loop also? I'd say you might of damaged your maf...if you know someone with a fbody swap them and see what happens. Or go buy one at outzone...and then return it if it runs the same
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Old Oct 31, 2005 | 01:46 PM
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Originally Posted by SeVeReDiStOrTiOn
does it idle rough in open loop also? I'd say you might of damaged your maf...if you know someone with a fbody swap them and see what happens. Or go buy one at outzone...and then return it if it runs the same
Open Loop?
I have the rough idle, and about 2500rpms and up its start vibrating like something is misfiring. If I put the cats on, the rough idle is still there and the vibration is alot more noticeable at the 2500rpm and up.
Basicaly anything I do to the exhaust to create some back pressure, really affects the 2500rpm and up vibration. Still has idle problem no matter what.
I have removed the cats and put my ory pipes on and took out the block off plate on my borla and have the wide open one on.

This is really getting annoying.
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Old Nov 1, 2005 | 11:38 AM
  #26  
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I bought the vette o2's last night, bosh part 13111, front right and left. One has the extensions and the other is short in length,this sound right? I hope this fixes my bad gas mileage/poor idle/lack of part throttle driveability. I did a seafoam treatment last night and it helped a bit.
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Old Nov 3, 2005 | 07:51 AM
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Anybody? I only bought the front two sensors, thought we didn't need the rear for poor fuel economy/poor idle/poor driveability. My question before was I bought the vette o2's for my 01 TA, its ok to use them? One is longer with an extension and the other (I think the right) is shorter, both were Bosh part 13111, sound correct?
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Old Nov 3, 2005 | 08:01 AM
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Yes, you can use the vette O2 sensors on your TA with no problem...the only real differences that I can tell you for sure are the wire lengths are different. Pretty much the same O2 sensor though.

FWIW, if you have headers, you are always gonna have this problem. My car idles so very smoothly when in open loop...as soon as I put it back in closed loop, re-enabling the O2s, it starts idling a bit rougher...not bad, just not as smooth. That is the nature of the beast...with LTs, the O2 sensors just don't work as well.
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Old Nov 3, 2005 | 10:57 AM
  #29  
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Originally Posted by MeentSS02
Yes, you can use the vette O2 sensors on your TA with no problem...the only real differences that I can tell you for sure are the wire lengths are different. Pretty much the same O2 sensor though.

FWIW, if you have headers, you are always gonna have this problem. My car idles so very smoothly when in open loop...as soon as I put it back in closed loop, re-enabling the O2s, it starts idling a bit rougher...not bad, just not as smooth. That is the nature of the beast...with LTs, the O2 sensors just don't work as well.
It sounds like something I might just have to live with then.
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