Hybrid Car – More Fun with Less Gas

Is Shudder Normal? - Page 2

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Posted by OscartheGrouch on February 18, 2006, 12:40 am

Agreed. My '05 purchased new in late Nov. 2005 does it too.

Posted by Bob Wilson on February 18, 2006, 4:42 am

I have an 03 Prius and I can tell when the ICE shuts down. The only
shudder happens when the Hummer tailgates instead of changing lanes to

Bob Wilson

Posted by beernuts on February 18, 2006, 5:41 pm
 Chris Shearer Cooper wrote:

My 05 does it occasionally, didn't do it for the first 6 months or so

Posted by kari on February 18, 2006, 11:41 pm
 My 2004 and 2006 both shudder the ICE shuts down. This doesn't always
happen, but it is not uncommon either. I think that the shudder is residual
fuel in the cylinders being burned before shutdown.


Posted by Marilyn & Bob on February 20, 2006, 4:57 pm
 What is happening is similar to dieseling.  If you hard brake there is still
a bit of gas left in the lines which will burn causing the engine to
continue to run roughly for about a second before completely shutting down.
This is the shudder you perceive.  It can be avoided by cruising to slow
down before a stop, so that all the excess gas is burned off before the car
actually stops.

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