USA car? y/n what engine,?
sputters, not bog, do you have full power wide open throttle.
sputters means to mech, MISFIRING
if it is misfiring the OBD2 scan tool tells you it is, and even which cyclinder fails like P0301, = cyl, #1 misfire.
what is and ICA, there is no ASE listing for ICA< so you typed it wrong, my wild guess, Idel Air speed controller is yes ,that is not cause of sputter ever.
Bogging means like dragging 10,000 pound weight or pulling 2000lb boat up PIKES PEAK, CO.
here is a list for misfire, (takes tools and skills and tests to find it)
- bad fuel (car sat over 1year not driven?)
- bad spark
- low fuel pressure if sputter means bogging and not misfire.
- EGR stuck open. (if it has one , no engine stated)
- clogged or leaking fuel injectors, will make misfire.
if bogging , add, bad MAF sensor, and low fuel pressure.
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