Hi all,
I've got an E61 530d M Sport which starts up and idles on five cylinders when cold but revs and drives on 6. It used to have an intermittent misfire when warm and idling- a miss every 3 to 5 seconds.
I blanked the swirls off and the miss when warm is totally gone however when cold or warming up it is exactly the same. I know the car is not getting up to temp and have changed the main stat, EGR stat will be done later this week. It is getting to about 80 degrees. Economy isn't too bad at 32.5 MPG mainly town work.
I suspect a bad injector which is lazy/sticking when cold but would appreciate your thoughts/comments if anyone else has had similar experiences. I'm thinking of changing the glow plugs as I've read they work for up to 30 deg to aid combustion but I've also read they don't work unless temp is below 3 deg!
Thanks in advance!
Steve
I've got an E61 530d M Sport which starts up and idles on five cylinders when cold but revs and drives on 6. It used to have an intermittent misfire when warm and idling- a miss every 3 to 5 seconds.
I blanked the swirls off and the miss when warm is totally gone however when cold or warming up it is exactly the same. I know the car is not getting up to temp and have changed the main stat, EGR stat will be done later this week. It is getting to about 80 degrees. Economy isn't too bad at 32.5 MPG mainly town work.
I suspect a bad injector which is lazy/sticking when cold but would appreciate your thoughts/comments if anyone else has had similar experiences. I'm thinking of changing the glow plugs as I've read they work for up to 30 deg to aid combustion but I've also read they don't work unless temp is below 3 deg!
Thanks in advance!
Steve