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68 Charger Megasquirt ECU no crank / RPM signal

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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.

if you don't have RPM reading, then you found your problem, start by checking the ECU internaly for corrosion since it was seating for 2 years, also check all the wiring and crank position sensor.

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