Thank you for your replies. I will have to go back then and get it coded. Just one thing that it came to my mind. When we first checked what was wrong woth thw car, the scanner brought up an error with injector nr 3 even though it was injector nr 1. The first injector on the driver's side. Why would the scanner gives the wrong injector? The mechanic had to find out by unplugging the electrical cable while the engine was running. There was a change of noise and a drop in rpm when unplugging the other three injectors but nothing happened on the injector nr 1, same as it wasn't plugged in. How is the layout of the pistons? Is it 1,2,3,4 or 1,3,2,4?