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Author
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Topic: Throwing a Code, Could use some help.
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Jessie P
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Member # 7073
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posted
 
 
Hey everyone need some insite on a code. Its P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank 1. I threw this code after I got my Kooks long tubes and o/r X pipe installed. I never threw this code before I had my long tubes.
My tuner was telling me it's probably and electrical problem. But why all of a sudden? I put to brand new Bosch O2 Sensors in along with a walboro 255 fuel pump, fuel filter, new MAF, plugs, everything you can think of before we tuned it. We got brand new o2 extensions. Sometimes the code will shut off. Then it will come back a day later or something. It's usually on most of the time. Could I have done something wrong. My tuner has told me that it's really nothing that he did. I have a P.I. motor w/ full bolt on's except pullies.
I went to my job at autozone and saw there was 2 different part numbers for the NPI and PI motors but my tuner told me that wouldn't make a difference because the car has a custom tune. Need any kind of help guys. If I remember right Bank 1 should be the passenger side right? I was thinking about swapping the o2 for a new in hopes I had a bad o2. Any help would be greatly apprecaited.
[ February 27, 2007, 06:02 PM: Message edited by: jpajkos ]
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Member of The Track Legion
Know Your Worth... Expect Nothing Less
Posts: 594 | From: Roseville, Ca. | Registered: Sep 2006
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svt306snake
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Member # 1967
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posted
sounds like bank 1 is a bad o2 sensor
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Posts: 5841 | From: SACRAMENTO "916" YA KNOW | Registered: Oct 2002
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Jessie P
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Member # 7073
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posted
Anything else maybe?
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Member of The Track Legion
Know Your Worth... Expect Nothing Less
Posts: 594 | From: Roseville, Ca. | Registered: Sep 2006
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BOTIH8R
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Member # 7295
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posted
bank 1 is driver side or on fwd cars the front.check your extensions to see if they are fully connected or rubbing on something
Posts: 1143 | From: sacramento | Registered: Dec 2006
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JohnB
Tech Moderator
Member # 969
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posted
quote:
Originally posted by jpajkos:
I went to my job at autozone and saw there was 2 different part numbers for the NPI and PI motors but my tuner told me that wouldn't make a difference because the car has a custom tune.
It does make a difference as they heat at different rates and I'm sure the voltage to them is different as well.
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1965 Shelby Cobra
1993 Cobra
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Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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Jessie P
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Member # 7073
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posted
If I slap mil eliminators on this shit will it take care of this?
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Member of The Track Legion
Know Your Worth... Expect Nothing Less
Posts: 594 | From: Roseville, Ca. | Registered: Sep 2006
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BOTIH8R
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Member # 7295
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posted
you dont want mil eliminators on the front o2's.
Posts: 1143 | From: sacramento | Registered: Dec 2006
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vpr_klr
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Member # 3353
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posted
Did you remove the cats?
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Posts: 893 | From: Livermore | Registered: Oct 2003
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