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High RPM Sync Loss, Crank Pulse Delay

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Old Mar 17, 2022 | 09:51 AM
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From: Detroit, MI
Default High RPM Sync Loss, Crank Pulse Delay

Hi guys, just installed a MS3Pro using Westfield MX5's stock ECU adapter board in my N/A 1999 NB. Ran into an issue with sync loss at high rpm (>4-5k). Got the below composite log showing a delayed crank pulse that caused the loss. Did some research on here and found a few logs with different sensor issues, but nothing like this. Ultimately check the sensor alignment and found that the trigger teeth had cut a channel into the sensor, but just the plastic parts. Obviously the sensor still worked, I had no sync issues at idle or low rpm. Adjusted gap to spec and no longer have any issues. I'm just posting here for reference in case anyone else runs into this issue.

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