86yoda

86 yota 22re runs rough in d&r auto i have replaced plugs,wires,cap,rotor,tps,temp sender,exhaust manifold,fuel filter no vacum leaks found,compression 2@145,1,3,4@160, pull plug wires while running 2,3,4 engine stumbles 1 idle doesn't change,not smoking out tailpipe,no water in oil,does run rich

swampfox

have you tried an old plug and plug wire on #1 to see if there is a change? one of them could be bad from the box.

Levis Pennae

I had the same issue with my 1986 22RE, I just changed the vacuum lines and it evened out right away.

86yoda

did swap plug on cyl 1 no difference there is good fire when hold wire away from plug, will try replace vacum hoses, what is best way to adjust air screw on throttle body

rangerruck

next would be a seafoam, or any other favorite, type cleaner treatment.