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Check Engine Light P2270

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Old 01-19-2011, 04:10 PM
BroncoEx BroncoEx is offline
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Check Engine Light P2270

Hello all.

2005 v-10 x

Check engine light on... pulling a p2270 code

02 sensor Bank 1 / Sensor 2 signal stuck lean

Where exactly is this sensor on the exhaust?
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Old 01-29-2011, 01:59 PM
icecold icecold is offline
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the same thing is going on mine,haven't figured out what o2 it is.
did you get yours fixed?
thanks
pete
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Old 01-29-2011, 04:41 PM
BroncoEx BroncoEx is offline
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Yes, I did fix it. The 2005 V-10 has 3 Ox sensors. There is one on each side of the Y pipe coming off the engine, and the Bank 2 sensor 2 is on the exhaust right behind the Cat converter. It is on the top. Very easy to change.... I hit it with PB Blaster the night before..... then again about 1 hour before removing. You can buy a special socket to remove it, but I just unplugged it from the harness, cut the 4 wires off, and used a 7/8 in socket on a 1/2 drive to remove. Put the new on in with an open end wrench, plugged in harness, and was finished. It will take a couple of run - cooldown cycles for the Check engine light to go out. Purchased the sensor at Advance auto. $63 I believe. Very easy.

Good luck.
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