Hi I have been reading the forum trying to figure the surging problem out on my daughter's 2000 Malibu. It cruise's fine, but when setting and idle it runs rough then worsening when idle in gear. Though takes off and cruise's fine. I have ran my scanner and replaced the following laundry list...

So I recently got a 2007 Chevy Malibu (unsure of the trim at the moment) from my brother-in-law. I've had it since about June and did some basic work to get it running all right (after sitting for nearly 3 years). The work I did included an oil change (filter included), replaced the rear tires...