Knock sensors for 20v

[Scott Phillips]

You can measure the resistance between the three pins on the knock
sensor. You should get infinite resistance between any and all pins.
Anything other than infinite means the sensor is bad. 

-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
On Behalf Of rick hayllar
Sent: Monday, June 29, 2009 8:04 PM
To: quattro at audifans.com
Subject: Knock sensors for 20v

I suspect a faulty knock sensor as I hear a rhythmic pinging noise when
the 
revs approach 3000 rpm, easing off the gas stops the pinging
Is there a simple test to pick which one is faulty.
Thanks for any advice.
Rick Hayllar


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