98 Chrysler Sebring Convertible missfire

[bex135]

I have a 98 Chrysler Sebring Convertible, 2.5ltr v6.
It miss fires during low speed acceleration, once you get going it's basically ok, but when you first start out it misses REALLY bad. We put on a new distributor cap, checked the timing belt, has new plugs and wires, cleaned the iac, disconnected electric and vacuum on egr and still have the same problems. What else could it be???

[HeadlessHorseman1]

How many miles? Any codes? If you've got 150,000 miles or more, then plugs, wires, crankshaft position sensor, distributor top-end (which includes built-in camshaft position sensor) and a plugged EGR pipe (connects between EGR and intake manifold) can all contribute to the misfiring you describe.

[johnnyblr]

I am having the same problem. I have replaced the distributor cap, rotor and fuel filter. Still runs rough. I was spraying water on the engine to see if I had a short in the spark plug wires, but found none. However, I sprayed water on the EGR valve and the engine quit. I thought this was the issue, but when we started the vehicle, I was unable to reproduce, so I am still baffled.

[danielsatur]

What's the DTC?
Is it a random misfire on a single cylinder?

[johnnyblr]

I only got test codes for misfiring of cyclinders. I believe they wer 2, 3 and 5. I have reset and they have not come back.

[danielsatur]

Random misfires on random cylinders -
Bad air filter
Bad fuel filter
Dirty, or bad MAF sensor
Bad fuel pressure.
Dirty throttle body.
Plugged catalytic converter.
Bad or dirty crank, or cam sensors.