I have a 405 (93 model, petrol engine)that pings under load. I am running the car on 96 octaine fuel and have taken all the normal precautions to fix this problem; cam belt, injector cleaning etc.
I am at a loss, if anyone has any sugestions could you let me know it would be a great help.
Thanks
I am at a loss, if anyone has any sugestions could you let me know it would be a great help.
Thanks