S2 cold starting

[ianr]

Hi All TVR S2 Has anyone had the following problems when starting from cold. When starting from cold every time i hit a bump in the road the car misses a beat , when i close the door on the car when it idles at cold it misses , anyone able to advise of the problem Many thanks / Ian

[mk1]

Sounds like it could be a loose electrical connection. Throttle position sensor, timing sensor, ECU etc etc??