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68 Charger Megasquirt ECU no crank / RPM signal

EFI Tuning Fundamentals

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Hello,

I have a 68 Charger with a 440, injected and controlled by an MS3X megasquirt. Car's been sitting around 2yrs without being started but ran perfectly previously. Replaced oil, plugs, crank sensor, fuel, battery, etc. Can't see a crank signal in Tuner Studio.

There's no distributor and instead it uses a cam synchroniser which I removed to manually prime oil.

Any ideas on how to find a crank signal / RPM would be appreciated.

Running Speedhut gauges and Tach shows some weird bouncing with key on and not cranking.

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