sputter

Been having this thing where the engine gets extra "loud" during medium to heavier acceleration. It sounds almost like an old carburated engine when you let it rip, whereas before it was more like a sewing machine revving up :) no discernible growl or rattling/sucking . It's coming what sounds...

I'm having a problem with my mazda for a couple of months now and i cant figure out the problem yet. found out 2 of my ignition coils keep burning out so i replaced them 2 times within 3 month not sure whats causing the problem and someone at a shop told me i should replace the crankshaft. it...

I have a sputter when starting from a dead stop. once boost kicks in there is no problem. On the highway at 75 mph, and the cruise control on I get a sputter. No loss is speed or rpm just a few sputters in a row. I put in new spark plugs gapped at .025, cleaned the MAF sensor, and ran...

So I've never had a car act like this before and it has me stumped. When I accelerate hard and hit 10-11 psi sometimes it feels like I jabbed the brakes as hard as I could. Besides that it runs good. It started doing it when it got cold, coincidence? up for debate... What is wastegate...