blazer has a tough time going distance it cough when giving it gas

Asked by Mar 17, 2016 at 07:04 AM about the 1989 Chevrolet Blazer 2-Door 4WD

Question type: Maintenance & Repair

this 98 blazer has issues when getting on the gas giving
it speed it coughs sometimes so hard you have to pull
over and wait a few min. to fire it up if you cruze 40 mph
you don't have any issues for 15 mi but go over that and
that thing starts being a bitch again. everything has been
replaced fuel filter, alternator, battery, sensors, drive
sensor, and more any body have any clues

1 Answer


May be a fuel issue. Fuel pressure should be checked. Also just maybe the catalytic converter may be starting to get plugged. Have that checked at an exhaust shop. I am thinking a fuel issue. What size is the engine?

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