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HEELP!! Crazy knock readings

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staticbrainwash

15+ Year Contributor
1,681
13
Oct 10, 2004
Midland, Michigan
I've got some wicked knock right now. I don't understand it at all.

I've leak tested and the only leak i have is internal turbo (o-ring). I've got the part on the way to replace it but i doubt it's my problem source.

Even in little to no boost i can get knock. 1-2psi = about 10 counts. I spike knock really hard under light throttle.

IDC's are at around 15% when i get spikes. Timing is set correctly.

I'm at a loss.

I'm going to seafoam this week sometime, and replace plugs.

Please give me some ideas. All i can think of anymore is knock sensor, or ecu. Otherwise. . . i'm stuck.
 
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