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C5 Corvettes, 1997 - 2004
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heated oxygen sensor

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heated oxygen sensor

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Old

Oct 15, 2005 | 03:44 PM

#1

ivor-bigen

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Heel & Toe

Joined: Sep 2005

Posts: 16

Likes: 0

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heated oxygen sensor

hi all
i am getung the dic code
po155 (heated oxygen sensor ho25 heater circuit bank2 sensor 1)

so i figuer this is the oxygen sensor at fault in position 1 bank 2

now what i need to know is,,,
is bank 1 the side withi number 1 spark plug? (left hand if i rember corectly) and bank 2 on the oppersit side.
and i am guesing sensor 1 is the one in the front down pipe?

please help as i dont want to just buy one knowing my luck i will replace all 4 before i find the faulty one:-)

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Old

Oct 15, 2005 | 04:00 PM

#2

Mike Mercury

Team Owner

Joined: Apr 2001

Posts: 54,204

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From: S.W. Ohio. . . . . . NRA Life Member

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bank 1 = drivers side
bank 2 = pass side

sensor 1 = before the cat
sensor 2 = after the cat

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Old

Oct 15, 2005 | 04:44 PM

#3

ivor-bigen

Thread Starter

Heel & Toe

Joined: Sep 2005

Posts: 16

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many thanks thorght i was correct but needed to make sure.

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Tags

2001, bank1, c5, corvette, fault, heated, location, oxygen, sensor

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