Rough idling at Cold startup

Asked by Feb 12, 2017 at 09:22 AM about the 1999 Chrysler Sebring 2 Dr JXi Convertible

Question type: Maintenance & Repair

My Chrysler Sebring is running very rough on
very cold mornings at startup rough idle and
very very rich

11 Answers


Is the check engine light lit?

1 of 1 people found this helpful.

Bob yes it is I've had a mechanic check Diagnostics come up with misfires on cylinders 1 through 5 not number 6 and I'm totally confused about this


What were the trouble codes?

The mechanic that looked at my car said misfire don't know the code number but misfire through cylinders 1 through 5 it's running like the choke is stuck on the older car Plus there's a strong sound of a vacuum leak checked all that no vacuum leaks I don't understand what's going on


Take it to a local auto parts store and have it scanned for codes. This is usually a free service. Knowing what the codes are can lead to a resolution to the problem through diagnostics and research. Not knowing the codes will make it nearly impossible to suggest repair strategies.

Sure thing Bob I'll do that today and get back with you later I'm old school with Automotive stuff to me is like the choke is hung close but go figure I'll get the codes and get back with you

Hello Bob this is what the codes are first one po300 second one po301 cylinder 1 third one po303 cylinder 3 fourth one po4 cylinder 4 po305 cylinder 5 po306 Cylinder 6 I hope this helps

62,915 to-troubleshoot-a-misfire-1

1 of 1 people found this helpful.

Mine is a2.5


The technique will still work.

1 of 1 people found this helpful.

Okay I'll research it to what happens you got nothing to lose

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