T O P I C R E V I E W
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jpajkos
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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svt306snake
Member # 1967
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posted
sounds like bank 1 is a bad o2 sensor
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jpajkos
Member # 7073
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posted
Anything else maybe?
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64valves*pbr*
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
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JohnB
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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jpajkos
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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64valves*pbr*
Member # 7295
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posted
you dont want mil eliminators on the front o2's.
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66backinblack
Member # 5372
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posted
what year is your car
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vpr_klr
Member # 3353
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posted
Did you remove the cats?
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