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knock sesnor? 

 

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 Post subject: knock sesnor?
Posted: Sun Oct 20, 2013 7:00 pm 
Getting Side Ways
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Age: 32

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Ride: EL XR-6

Location: Brisbane
QLD, Australia

hey just wondering has anyone here replace a knock sensor on an EL that maybe causing problems?
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 Post subject: Re: knock sesnor?
Posted: Sun Oct 27, 2013 4:58 pm 
Tyre Shredder
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Ride: 2001 au forte 6cyl

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SA, Australia

Knock sensor is under the inlet manifold near the dizzy but what sort of symptoms?

 

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 Post subject: Re: knock sesnor?
Posted: Mon Oct 28, 2013 10:19 pm 
Getting Side Ways
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sorry for the late reply ive been away on holidays. anyway back to my question ive replace everything that you usually think of replacing to fix a delay in response to accelerating to pick up speed when cruising. just wondering would the knock sensor play a part in this? car has had a scan on it and everything come back all clear.
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 Post subject: Re: knock sesnor?
Posted: Mon Oct 28, 2013 10:24 pm 
Getting Side Ways
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Knock sensor shouldn't cause any problems like that - easy way to test it is to unplug it, then see if it is fixed, if it is, it's the knock sensor, but I doubt it'll make any difference, I'd be looking more towards fuel pump, fuel filter, fuel pressure regulator, injectors, leads, plugs, even cap and rotor, beyond that, I'd be going towards TPS, MAP Sensor, Oxy Sensor, and I'd also check the ignition timing, and if it's still no good, I'd even check the valve timing, you'd be surprised, seen that happen before, if the timing chain has stretched. Also check the obvious like compression and health of the motor and stuff.

Gab
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 Post subject: Re: knock sesnor?
Posted: Mon Oct 28, 2013 10:34 pm 
Getting Side Ways
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Ride: EL XR-6

Location: Brisbane
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the motor is just ticking over 80,000 to 90,000 since rebuilt and it only been doing it just the three months and it seem to be getting worse. the car starts fine ive replace bosch dizzy, coil, leads, spark plugs, au fuel rail with fuel regulator which drop my fuel average to 15 from 21.7 yeah big difference, new set au injectors, fuel filter.
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 Post subject: Re: knock sesnor?
Posted: Mon Oct 28, 2013 10:46 pm 
Getting Side Ways
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Ride: EF GLi/Ghia bitsa

Location: Melbourne
VIC, Australia

Put a fuel pressure gauge on it and see what you get.

Gab
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 Post subject: Re: knock sesnor?
Posted: Tue Oct 29, 2013 6:43 pm 
Technical Contributor
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jamie22_cole wrote:
the motor is just ticking over 80,000 to 90,000 since rebuilt and it only been doing it just the three months and it seem to be getting worse. the car starts fine ive replace bosch dizzy, coil, leads, spark plugs, au fuel rail with fuel regulator which drop my fuel average to 15 from 21.7 yeah big difference, new set au injectors, fuel filter.


Replace your O2 sensor.
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 Post subject: Re: knock sesnor?
Posted: Wed Nov 06, 2013 9:02 pm 
Getting Side Ways
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Age: 32

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Ride: EL XR-6

Location: Brisbane
QLD, Australia

just wondering does anyone here stick to a certain brand when it comes to replacing sensors or do u just go for the cheap stuff? I going to replace my o2 sensor cause its been playing up on me ive found ntk brand from bursons for around 80 bucks or I could go the vdo one on ebay for 45 bucks.
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 Post subject: Re: knock sesnor?
Posted: Wed Nov 06, 2013 9:30 pm 
Technical Contributor
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NTK
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 Post subject: Re: knock sesnor?
Posted: Wed Nov 06, 2013 9:34 pm 
Getting Side Ways
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thanks SWC
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