rough

I had my car in today for mnt at dealer (oil change). I mentioned that it's been idling rough lately. His first question was if I had replaced the battery recently. I had. He then said that doing so reset some setting on the CPU that controlled the throttle. That the CPU opens the throttle more...

2014 w/ around 70k miles. Starting to notice rougher shifting. Stop and go (slower speeds) it seems more noticeable. Anyone else?

i have a problem accelerating with my Mazda3. After it warms up this problem emerges when that If I slowly edged the car up, it will run like normal. however, when I stomp the gas petal, the car just doesn't go. it chugs, it backfires, but it just won't accelerate. it works for for the first two...

Starting a new thread since this title is more accurate than the "rough idle" symptom I posted before. Here is the story. I bought the a blue 2002 protege5 hatchback for $600 in September and rebuilt the 2.0L FS-DE engine with new rings, bearings, valve stem seals, gaskets, valve lapping...

So here is an update to my previous problems. Here is the recap (Ok my car has been running rough lately.2007 Mazda 5. While I am in gear(waiting at a light for example) and the defrost is on the engine losses power sputters and almost stalls. With dfrost off its better but still sputters once...