Engine Performance problem
1998 Dodge Stratus 4 cyl Front Wheel Drive Automatic 128000 miles
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The car drives fine but the idle is rough it doesn't want to start very well. Once started, you have to sometimes give it gas to keep it running. A little rough sitting at a stop, in gear. But once you get to driving it - it smooths right out. Already replaced both O2 sensors. Any other ideas?

check MAP sensor
check it for tune up
check for vacuum leaks