1999 Plymouth Grand Voyager Q&A

1999 Plymouth Grand Voyager Question: My van started sputtering after I brake and does not respond well once I speedup

but once I get up to 40 mph it drives fine. Also when I turn on the ac or defrost, it starts sputtering again. Can you tell me whats going on? -
Answer 1
do you have a service eng soon light on? if so get scanned at auto zone and post codes so we can adv -