1991 Chevrolet S10 Blazer Q&A

1991 Chevrolet S10 Blazer Question: when i turn my heat or air on it doesn't blow out strong

i put the heat or air up on high and it barely blows out the vents. i don't k now what causes this -
Answer 1
Most lilely its either a cabin air filter issue i.e. needs to be replaced or your blower motor resistor could be faulty -