what causes my car to hesitate as i drive it down the road on 1990 Buick Riviera

it is kinda a loping feeling

by in Florence, OR on September 23, 2012
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2 answers
ANSWER by , March 07, 2013
Check Mass Air Flow Sensor, Clean Throttle Body, Replace Idle Air Contol Sensor
ANSWER by , September 25, 2012
There are literally hundreds of things that can cause that. I recommend you have a diagnostic test performed.