2007 Sedan Won't Accelerate Past 1500 RPMs with Driverside Rear O2 Sensor Attached
I have the weirdest problem with an '07 G35S Sedan I recently picked up for my wife. We bought it knowing the check engine light was on. I scanned it and got a P0057 code. So, I reset the light and the next day it came back on. So I ordered a new O2 sensor. When I went to change it out, I noticed the old one was unplugged and the wire for it was zipped tied up. It looked like it was unplugged on purpose, which was weird. So I took it out, and installed the new one anyways. After I reset the light and started the car, it idled good and seemed ready to go, but when I went to take off, it acted like it was in a limp mode and wouldn't accelerate past 1500 rpms. So I scanned again, and there were no codes and no dash lights on. Well, at the point I went ahead and unplugged the new O2 sensor. All of the sudden the card ran fine and would run normal again. I scanned again, and got a pending P0057. So I am stumped as to why the rear O2 sensor would cause this.:confused2:
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I am stumped! Any help?
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Originally Posted by jlk001
(Post 7103369)
I am stumped! Any help?
Telcoman |
Originally Posted by telcoman
(Post 7103373)
Clogged/defective catalytic converters perhaps?
Telcoman |
Has the rear O2 sensor heater wires ever made a common short somewhere?
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