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Ve ss 2009

Big jas

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Heys guys !!! Just chasing some info on few issues lost power on highway at 110km come up engine light on , and stability control on , come.up code PO651 which is knock sensor , question is will car loose power only over knock sensor or could new battery help a bit also , and.when I started car up today just coming up engine light and low power mode any reply or suggestions would help thanks guys ...
 

_R_J_K_

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Doubt a battery is going to help fix your knock sensor.

If the car sees a knock sensor as malfunctioning it will probably retard the timing heaps so that it minimizes the risk of detonation because it basically can't detect detonation anymore. So yes, losing a knock sensor will make it lose power.
 

Big jas

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Doubt a battery is going to help fix your knock sensor.

If the car sees a knock sensor as malfunctioning it will probably retard the timing heaps so that it minimizes the risk of detonation because it basically can't detect detonation anymore. So yes, losing a knock sensor will make it lose power.
 

Big jas

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Thanks mate appreciate it i have new knock sensor just getting ready to fit
 

vr304

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They have 2 knock sensors mate do you know which one you need to replace?
 

vr304

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Unless you can isolate which is the buggered one may just be a good idea to replace both
 

Big jas

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Unless you can isolate which is the buggered one may just be a good idea to replace both
Thanks mate yer im just going to get other one and do it properly thanks mate
 
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