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Old 04-24-2011, 07:35 PM   #12
Focus Enthusiast
Join Date: Sep 2006
Fan#: 39044
Location: Vermont, United States
What I Drive: 2000 red zx3

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How many miles on the motor? What bolt ons do you have.

I had this same issue when I went FI the first time. I ended up tuning it myself and pretty much eliminating all the knock by just pulling timing from the BKT.

I as well never felt or heard any knock until I tapped into the knock sensor from the ecu harness and listened through my stereo.

Wish i could help you. It's a crappy thing to deal with.
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