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Ran fine, No rpm signal MS3x

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Old Nov 8, 2023 | 10:47 AM
  #1  
nschatz's Avatar
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Exclamation Ran fine, No rpm signal MS3x

I am having issue with Megasquirt getting RPM signal. I had the car running a week ago when I came back out to mess with the car I am getting crank but no start. I am very new with MS3 and electronics in general. I am seeing in many areas about adjusting the pots. I had originally had it running on 7.5 turns clockwise. I have tried reflashing the firmware. I had forgotten to unplug the ignitor so I am not sure if I killed it or not. Im kind of at a loss as to what could have changed. Maybe bad CAS?

1990 1.6
640FF injectors
MS3x - following trubokitty build

I have attached a composite log, a datalog when the car was running, and the tune it was running on (running rich).
I am getting nothing on the tooth logger.

I may get a JimStim to test the board.

If there is any more information that will help diagnose, please let me know.
Attached Files
File Type: msq
schatz-tune.msq (285.7 KB, 70 views)
File Type: mlg
datalog-when-ran.mlg (1.73 MB, 31 views)
File Type: csv
schatz-composite.csv (29.6 KB, 19 views)
Old Nov 8, 2023 | 01:00 PM
  #2  
nschatz's Avatar
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Got the voltage at top of R54 to 2.25V and am getting an RPM signal now. 8.5 turns clockwise.
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