Piston Knock!!!!!

Home > Gari Forums > Toyota Forums > Toyota IST Forums > Toyota IST Engine Forums

Piston Knock!!!!!

Please help me bros..!!! There is something wrong with ma cars engine or tuning.. It runs perfectly on gas but on petroll.... TTTTOOOOOO much piston knocking occurs.... Only the first gear goes without knocking and the in the forth gear i can`t even put my foot on the accelerator... not even a lil.. the knocking continue like hell.. Please someone especially an expert advice me what to do.. Thanks a lot

A few details that might help finding the problem

Car: Suburu

Engine: 4efe Efi 1.0

Wiring has been checked many times and the computer is also fine....

Please someone help me its urgent...

Oohhh and on Gas there is no piston knocking not at all B-) doesn`t matter how much i floor it

Gari.pk User 11787 asked on 01 Dec 2010 10:13:57 am

1 Answer