What do the EFI fault codes mean?
Some TVR Tuscan owners report that the EFI warning dash light will flicker on and off or come on randomly, usually due to moisture in the engine bay. Many people report having this problem just after washing the car or in wet weather. Code L sometimes flickers on and off randomly but is usually nothing to worry about! The EFI warning light will usually stay on if there is a more serious problem. Below are the diagnostic codes for the Tuscan MkI.