ok heres wat happened i was driving along and then all of sudden my car started to feel like like its was slowing down and then it would stop and then do it again like every other 5 seconds or so u kno.... and then i was at a light and i was idleing at 1200 and i reved it went back to 500 where it usually idles at... and i was goin down this street at like 40 and i was revving back down and i was backfiring and poping i usually does that when i do it on purpose, but today it was doin it on its own.... and last thing i would give it gas and the car wouldn't go for like 1-2 second and then all of sudden start acceling like a mini bog type thing goin on i dunno..... its hard to explain

 

bump

 

What has changed since then?
Any CEL codes?
Check for vaccum leaks?
Cleaned throttle body recently?

 

havnt done any of that.. ever since nothin has been changed..