MINI2 - MINI Forum - View Single Post

Martin F · Mar 24th, 2007, 07:31 AM

Quote: Originally Posted by d9hug (original)

I have had the same noise - noticed it seems to occur when run from cold for a short period - for example when moving the cars about on the drive - first time move is ok and then when I go to move it back the noise appears.

I have heard the noise once with my MCS. I had taken it out of the garage, washed it, and then put it back in the garage. The following morning which was frosty it made the diesel type noise on start up. It went away after a short distance and has not recurred.

I wonder if it is something to do with starting and stopping the engine without letting it warm up. I know that this can be bad for the catalytic converter and maybe the management system gets confused.

Has anyone any evidence that this diesel noise is something to worry about?

Mar 24th, 2007, 07:31 AM	#62
Martin F Making it add up Join Date: Apr 2006 Location: Sussex Local Time: 04:44 PM Posts: 621 Online	Quote: Originally Posted by d9hug (original) I have had the same noise - noticed it seems to occur when run from cold for a short period - for example when moving the cars about on the drive - first time move is ok and then when I go to move it back the noise appears. I have heard the noise once with my MCS. I had taken it out of the garage, washed it, and then put it back in the garage. The following morning which was frosty it made the diesel type noise on start up. It went away after a short distance and has not recurred. I wonder if it is something to do with starting and stopping the engine without letting it warm up. I know that this can be bad for the catalytic converter and maybe the management system gets confused. Has anyone any evidence that this diesel noise is something to worry about?