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Topic: Knock Sensor

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mason2637
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Posted: Dec 22 2010 at 5:38pm \| IP Logged

I have a 2004 frontier 3.3L. Couple of days ago the engine overheated. I replaced the thermostat and it solved the overheating problem. Then I took it in to AutoZone to clear the code. They saw the overheat code and told me there was a knock sensor code. From what I've read on the forum so far, the knock sensor isn't that critical. I had no service light before it overheated. So, should I concern myself with the light?

frontierguy
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Posted: Dec 22 2010 at 8:40pm \| IP Logged

The knock sensor will not turn on the check engine lite. It
won't function correctly by retarding the timing in the
event of engine spark knock. So it is your call as to
replace or not.

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'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.

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2011 John Deere X720SE

bcaughhorn
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Posted: Jul 25 2011 at 8:39pm \| IP Logged

i know this is old but my light just came on. i took the truck to advance and all he said was the knock sensor... should i have it checked again?

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04 CC frontier.v6 auto (my go-kart)

frontierguy
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Posted: Jul 26 2011 at 4:54pm \| IP Logged

If you have a code for a knock sensor, most likely it needs
one, or a rodent chewed your harness. If it set a code it
isn't functioning correctly. Your call.

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'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.

Nissan Technician 25 + years
2011 John Deere X720SE

bcaughhorn
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Posted: Jul 26 2011 at 7:45pm \| IP Logged

i have read your post and others saying it wont make the light come on and its the only thing the guy told me. i have also read on another forum that some other guys have moved theirs to another location. do you know anything about this? any benefits to it?

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04 CC frontier.v6 auto (my go-kart)

frontierguy
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Posted: Jul 27 2011 at 8:38pm \| IP Logged

On the older 4 cyl models (Altima), I have moved them. But
on the V-6 it is under the intake, so unless you buy a
harness or are able to disconnect it, you have to remove
the intake.

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'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.

Nissan Technician 25 + years
2011 John Deere X720SE

bcaughhorn
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Posted: Jul 27 2011 at 8:45pm \| IP Logged

They were buying a older maxima harness and knock sensor
and splicing the wires in at the plug by the valve cover
and mounting it to the intake. It looks fairly simple but
when they get into ohms and all of that it goes over my
head

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04 CC frontier.v6 auto (my go-kart)

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