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Old 12-16-2008, 06:46 PM   #1
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knock sensor

i have 1998 3.4 v6 cel say's knock sensor was going to try and change the pigtil frist does anyone have any thing to add never change one before?????
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Old 12-16-2008, 06:48 PM   #2
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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What code are you getting from the CEL?
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Old 12-16-2008, 06:52 PM   #3
I miss Lucy. :-(
HerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shedHerNameIsLucy is one of the sharper tools in the shed
 
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the knock sensor(s) are normally open circuits. so you'd have to have a short in the pigtails or the wiring between them and the ecm to have that be the problem.

have you heard / felt a lot of pre-ignition going on?
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Old 12-16-2008, 06:55 PM   #4
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The pig tails get brittle from all the heat. That would be my guess. I have only see them go bad if someone has been in there before, like if the headgaskets were done. If you have to put sensors in make sure you tighten them to the correct spec. You dont want to over tighten them..
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Old 12-16-2008, 07:04 PM   #5
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thanks

code p0325
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Old 12-16-2008, 07:07 PM   #6
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???

is this under the air plantum? how hard would it be to change
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Old 12-16-2008, 07:37 PM   #7
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by scottyp View Post
is this under the air plantum? how hard would it be to change
http://www.ncttora.com/FSM/
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Old 12-16-2008, 10:41 PM   #8
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thanks

thanks for the help
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