Truck idles rough sometimes cuts out sometimes when driving. Check engine light randomly turns on and off. It started after fuel pump went out. Changed pump fuel filter still ran bad changed plugs

Asked by Sep 21, 2015 at 10:22 AM about the 1986 Chevrolet S-10 STD Standard Cab LB

Question type: Maintenance & Repair

cap rotor still ran rough changed MAP
sensor and o2sensor still run rough
ran throttle body cleaner through gas
five tanks. Sprayed cleaner into
throttle body. Changed air filter seems
to get dirty very quickly (within three
weeks its dirty again) any ideas would
be helpful please!!

1 Answer


i would get the codes read see what they are and go from there a auto parts store will check the codes

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