car runs but some times makes a knock or a ticking noise and tac jumps on 1997 Infiniti I30

the noise sounds like its coming from valve or timing chain water pump area,tac jumps around some times when you step on the gas

by in Stanhope, NJ on March 11, 2014
1 answer
ANSWER by , March 11, 2014
Sounds like maybe the belt going to come off or shredding