fixing o2 bank1

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Feb 3, 2011 | 10:21 AM

#11

40series

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From: indiana

what about the p0327 code?

Quote:

Originally Posted by 00ChevyScott

P0420 is a catalyst efficiency code. Not an O2 sensor code.

what about the p0327 code 9 [knock sensor]

Feb 3, 2011 | 10:29 AM

#12

00ChevyScott

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From: Over There

Quote:

Originally Posted by 40series

what about the p0327 code 9 [knock sensor]

That's a common problem with any Gen III LS motor.

Feb 3, 2011 | 10:42 AM

#13

andrew383

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From: so. indiana/texas

Quote:

Originally Posted by 40series

i had Auto Zone check the codes and they are ....P0420 bank 1 and p0327 knock sensor ..... i just did the knock sensors but got a cheap torque wrench and really didnt know how tight the sensors were looks like imma have to go back in

Make sure the harness isnt pinched or cut and is plugged in all the way...
Also make sure you dont have any exhaust leaks..

Feb 3, 2011 | 02:17 PM

#14

40series

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From: indiana

how do you check for exhaust leaks?

Quote:

Originally Posted by andrew383

Make sure the harness isnt pinched or cut and is plugged in all the way...
Also make sure you dont have any exhaust leaks..

how do you check for exhaust leaks ?

Feb 3, 2011 | 07:28 PM

#15

40series

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From: indiana

code p0327 ?

Quote:

Originally Posted by 00ChevyScott

How about telling us what SPECIFIC check engine codes were on?

the code is p0327

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