how to stop Rough idle in a chevy 91 S-10 4.3?

D

Dean

New member
91 S-10 4.3 After tune up (plugs,wires,rotor,cap,pvc,egr) ran great for 400 miles. after freeway use car would load up on take off for a few miles. got worse quick. got codes for low temp and map. fixed. carb spray does not indicate vac leaks. compression ok pull injector connector on passenger side idle smooths out, pull drivers and engine dies. new injectors same also have replaced o2,tsp,iac. what next
 
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