Hi People
Apologies for confusion over my description of the fault on the RX300 you can probably can tell im not mechanically minded.
Lee suggested checking the fuses to see if any had blown, it turned out that the ETCS fuse had blown which supplies the accelerator hence no drive or pedal.
It also blew the following fuses, Horn, electric windows, and radio. I think I got off lightly with this one and as john correctly said Live and learn.
Thanks all you help
Rob