Lamborghini P250 Urraco blog by Lee Griffiths

Urraco occasional misfire

I'm getting an occasional misfire in the form of a complete bank of four cylinders die. This would suggest it's an ignition problem.

Super4 ignition modules in a Lamborghin UrracoSuper4 ignition modules in a Lamborghin Urraco

The car is fitted with two Super4 electronic ignition modules so either there is an issue with a module or it's associated coil or some other issue such as wiring. The points are still used to trigger the ignition but they only pass tiny currents so last much longer than normal, if not forever. The gaps look ok. I started by cleaning up the points and condensor connections which looked a bit corroded. I suspect it will be a drawn out investigation, but I have emailed www.superformance.co.uk to see if they can supply instructions for the Super4 kit.

Super4 ignition modules in a Lamborghin Urraco

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