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What is a knock sensor?

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Old Jun 21, 2007 | 08:29 AM
  #11  
ericbullock's Avatar
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Default RE: What is a knock sensor?

OK...I can't seem to find a replacement knock sensor for my car ('03 A4 1.8T Quattro). Is the "camshaft position sensor" the equivalent? I would assume so, as they sound like they have similar functions.

=eb=
 
Old Jun 21, 2007 | 09:03 AM
  #12  
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Default RE: What is a knock sensor?

There you go.

http://www.purems.com/products/product.php/II=1792
 
Old Jun 21, 2007 | 12:54 PM
  #13  
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Default RE: What is a knock sensor?

ORIGINAL: x1rider

There you go.

http://www.purems.com/products/product.php/II=1792
The specs on that part do not include my car. The sensor for the '03 A4 1.8T Quattro is suspiciously MIA everywhere I look. My Bentley manual does not mention the part number, and it looks like there two in this car.

Might have to go to the dealer, which sucks.
 
Old Jun 21, 2007 | 01:19 PM
  #14  
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Default RE: What is a knock sensor?

The part number in the PureMS website is actually valid until the end of 2003.



Here is the new part number for the AMB engine, kinda strange, there's 2 PN. (it should be the most recent, I update my ETKA every week).



Maybe contact PureMS and ask them if they have the new one or if the one they have will be OK with your car.
 
Old Jun 21, 2007 | 05:22 PM
  #15  
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Default RE: What is a knock sensor?

One's blue and one's green? There are supposedly two on my car, so maybe that's how the differentiate them?

How can I get the ETKA too?

The error has not resurfaced since I cleared it, so perhaps it was a fluke...or bad gas.
 
Old Jun 21, 2007 | 05:36 PM
  #16  
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Default RE: What is a knock sensor?

"My wife also thinks its my fault with all the tinkering I've been doing."

I know exactly how that is..... if someone hit my car, it would be my fault for doing all the work myself, what can you do?

 
Old Jun 21, 2007 | 05:42 PM
  #17  
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Default RE: What is a knock sensor?


ORIGINAL: widgget

"My wife also thinks its my fault with all the tinkering I've been doing."

I know exactly how that is..... if someone hit my car, it would be my fault for doing all the work myself, what can you do?

Stay single? LOL JUST KIDDING!I can't wait till I am married.

Josh
 
Old Jun 21, 2007 | 05:45 PM
  #18  
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Default RE: What is a knock sensor?

You're right, 2 knock sensors (G61 and G66). I have no clue if one is blue and one green, sorry. Here is the location.



I got ETKA off eBay.
 
Old Jun 22, 2007 | 09:32 AM
  #19  
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Default RE: What is a knock sensor?

ORIGINAL: x1rider

Maybe contact PureMS and ask them if they have the new one or if the one they have will be OK with your car.
Here's what they (PureMS) had to say:

"Unfortunately that knock sensor is not compatible with your car. We do not
list a part available for your model year"

If it is the sensor going bad it looks like I'll have to take a trip to the dealership. Yuck.

=eb=
 
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