intermittent stalling of engine on 1992 Dodge Dakota

i notice what sounds like exhaust back pressure

Asked by for the 1992 Dodge Dakota
1 answer
possible cat. clogged.
rec. fuel system clean. ethanol treatment to 1 tank premium fuel. ethanol blend in fuel causes build up in fuel system, combustion chambers, exhaust system and causes increased wear to spark plugs. result will take drive time.