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Old 11-28-2003, 11:51 AM   #1
Scooby Specialist
Member#: 26155
Join Date: Oct 2002
Chapter/Region: E. Canada
Location: Levis,qc,ca
2008 WRX 5dr
Dark Grey

Default What should happen if I unplug the front 02 sensor?

since yesterday, my car is doing weird thing. when I start it, it would idle ok. when I sart rolling, after a few second at constant speed, it would jerk, backfire or miss, the car is shaking just like when you try to drive in 1st and it began to bump and bump... I changed the fuel lines. after doing the pressure line and main return, it was OK, then after doing the small return line, it act like I said before. I tought it was the O2 sensor, but I unplugged it, and nothing changed. I can't rear error code since i don't have OBD2 plug installed. MY01 RS powertrain with 25K miles.
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