somethin wrong with my 5s, rpm jumps and drops Options

[mikew04]

while driving my car in any gear or nuetral, or any throttle position, my engine will sporadically jump and die. the tack will flick up 1 or 2k rmp from what its at, then flick down to zero, and go back and forth really fast. this is happening for about five seconds or so at a time, and every few minutes. it occurs less often when the car is warmed up. the tach seems like its reading the rpms right, the car will jolt back and forth when this is happening, and the car wants to die on me as the tach reaches zero. when the tach goes down the check engine light flashes on, like it does if you stall. i checked for codes, and its not throwing any. i have a spark on all cylinders, and my spark plugs were replaced and gapped correctly. i checked the power connections and the grounds and everything looks fine. this is making it really hard to drive the car, especially in this weather. thanks for any help.
-mike

[Digndoug]

yah, im afraid of not being able to figure out what it is... i checked all the grounds, and most of them i redid a while back, so i dont think its that.
Digndoug - was the engine missing on you as well, or was it just the needles jumping up and down?
[right][snapback]240437[/snapback][/right]

It was a lot of things,It was a dodge. But it was staling, misssing chugin, it was a pos. I finally got it running, by changing fuel injectore air filter gas filter, oil, plugs wires, cap, vacum tubes, radiator, thermosdat and a few odd cut wires. After all that i got it running pretty well, it still wasnt perfect, and once in awhile the speedo would cut out, but i still never figured that out, then I gave it to my g/f well ex when we broke up, cause she needed a car an i wanted to get rid of it..lmao, but as she said it has been driving perfect