Vehicle will straighten up and run good until the next traffic light.
Hesitates
the number one cause is bad spark , skipping tuneups
100 years running same reason , same cause.
#1
but guess what ?,engines dont read statistics book,
the ISC does nothing at all accelerating, sorry. NOT.
bad spark #1
can be bad fuel
can be low fuel pressure
can be bad TPS
can be what the scan tool you failed to use, tells you. it is.
can be, clogged up MAP,
can be partially clogged injectors.
can be lots more, ill not guess,
Hesitation is usually a dirty throttle body and idle air control motor.
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