All of a sudden the other day when I left my car started to stumble, like it wasn't getting any gas or something was off. I would give it and and it would just stumble and drop in rpm's, not moving. It even died completely on me once. I had this problem before and then it just all of a sudden stopped a year ago.

So I replaced the front o2's with bosch 13111's yesterday and it seemed fine everytime I took it out. I thought that might have been the problem so I was relieved that it was running fine. Until tonight I left to go somewhere and low and behold it stumbles again, when giving it gas the rpm's drop and it wants to die, then finally gets gas and takes off. So the o2's weren't the problem after all since it is still doing this and no o2 sensor codes..

any ideas on what it might be? I have cleaned the MAF but that doesn't seem to help. Also I was planning on doing a cam install soon and then getting it tuned so when the tuner I go to does the tune would he be able to tell maybe what it is or not? I don't want to do the install and then my car still runs like sh*t.


sorry for the long post.

any suggestions are greatly appreciated.

 

anybody?