Hey all, I would appreciate any advice; I have a 1993 toyota P/U 4x4 that recently started idling rough. It has 230,000 miles, what is the minimum cylinder pressure that I should measure? I checked them out, they were all above 160, any advice?

 

The manual say normal is 171 psi, minimum is 142 psi, and the maximum variation between cylinders is 14 psi. I would think above 160 with 230,000 miles is pretty good.

 

Thanks, I looked at the number written down, I am reading 170 on all, and one is 160, so I guess it is pretty good.
Thanks