i got code 51 n 52...sometimes ( 1 time on 10) when i start the car it wont...the i must remove the efi fuse...crank for like 15 seconds...reput the fuse back ant it start...with a big smoke on the bak of the car 
gotta check the tps on cygnusx1...and for the code 52...i made a complete ks re-wiring...still got that code :S
gotta check the tps on cygnusx1...and for the code 52...i made a complete ks re-wiring...still got that code :S