Knock sensor Were is it?
Junior User
Joined: Dec 2004
Posts: 63
Likes: 0
From: Ontario
For the first minute or so it doesn't read the knock sensor untill the system is in fuel control then it constantly uses it all the time. There are many other factors that will cause a ping like dirty mass air flow sensor, or egr either not working or ports plugged. Are you sure it a ping or knock. a ping is usually noticeable on acceleration.
Thread Starter
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Senior User
Joined: Feb 2003
Posts: 180
Likes: 0
Well replaced the 02 sensors, did the maf cleaning and ran some seafoam though the intake. The ping on slight accel is gone. If i goose it just a bit at cruising speed it pings just a bit. If I hard accel it pings like mad for about a second just before shifting. So at this point I have changed the O2s, EGR, EGR flow sensor, I am lost.
