Mechanics

SPUTTERS AFTER WARM UP..NO CODES

2005 Kia Optima • 115,000 miles

Will not stall but sputters as if you let your foot off the gas. Replaced crankcase, map, sensor. Timing belt. Plug, wires, coil pack. HELP
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Crab1957
October 26, 2011.



Check for vacuum leaks, and check the idle air control valve.