I've got a 1993 plymouth acclaim 3.0L V6.
When I start the car(it starts every time) It seems to idle ok at around 1000rpms. And it will drive fine for a little while, untill when I believe it hits regular running temperature, at this point the idle speed drops down to about 600 and the it idles very rough, when you decellerate quickly or come to a stop the rpms start jumping around varying form 800 to about 0 where the car obveously stalls. It will start right up again but the problem is still present. It gets worse the longuer you're on the road, but as long as you're moving at at least 40 clics it's faily smooth. And the only way to keep her going in traffic is to put her in neutral and keep your foot on the gas( But the revs are still jumping around when I'm doing this). My mechanic can't figure it out, I brought it to another mechanic and he replaced the MAP sensor, that did nothing. I replaced the oil, gas, and air filters recently. I'm thinking of the EGR valve or air sensor but I'd rather hear some guidelines before I start doing more gambling with my modest income. Please help man.
have the same problem?
Wednesday, July 12th, 2006 AT 2:15 PM