It will quit running if it breaks. That's the most common failure of a timing belt. It may run poorly and backfire if it slips or jumps a cog.
when do you change timing chain on 2003 Toyota 4-runner?
( NO ) The 4.0 liter V6 engine in a 2005 Toyota 4 Runner has a timing CHAIN
In a 1994 Toyota 4 Runner the ( 2.4 liter four cylinder has a timing CHAIN ) and the ( 3.0 liter V6 has a timing BELT )
What should the timing be on a 92 Toyota 3.0
In a 2005 Toyota 4 Runner : ( the 4.0 liter V6 engine has a timing CHAIN )
In a 2004 Toyota 4 Runner : The 4.7 liter V8 engine has a timing BELT
No. Timing belt. Not chain.
The 4.0 liter V6 engine in a 2003 Toyota 4 Runner has a timing CHAIN
The 4.0 litre V6 engine in a 2007 Toyota 4 Runner has a timing CHAIN
The 4.0 liter V6 in a 2007 Toyota 4 Runner has a timing CHAIN
According to the Gates website ( they make timing belts etc. ) the 4.7 liter - V8 engine in a 2004 Toyota 4 Runner has a TIMING BELT
The 4.0 liter V6 engine in a 2004 Toyota 4 Runner has a timing CHAIN