4kq runs poorly when warm

[chris hart]

Always starts right up and idles smoothly at
1000-1200rpm.Runs very strong until it's warmed
up(even better when the ambient temp is low) then
throttle response gets sluggish and it feels half dead
and won't wind out in first and second but clears up
by third to run pretty strong but still off.If it's
very hot outside it'll sputter approaching
redline,too.I've recently replaced the timing
belt/water pump,cap,rotor,plugs,every vacuum line I
could find,and the air filter.All the hoses involved
with the CIS are good.From what I could tell with my
cheap,analog multitester the coil is in spec,but I
suspect it anyway;I think I've heard of heat related
intermittant coil issues.Or maybe a sticking
centrifugal advance(but that wouldn't be effected by
heat)?Any ideas?

Thanks,
   Chris


	
		
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