Another 560 sel rough idle

Fishead Another 560 sel rough idle 10-19-2009, 10:32 PM

dpetryk Its about time for a fuel... 10-20-2009, 07:52 AM

Fishead anybody else? 10-20-2009, 12:08 PM

workerunit Look for vacuum leaks, if it... 10-20-2009, 12:38 PM

Fishead checked the EGR seems to be... 10-20-2009, 05:54 PM

Fishead also unplugged EHA with no... 10-20-2009, 11:10 PM

Fishead Anything else guys 10-22-2009, 04:43 PM

Cigar Havana Intake Manifold 10-24-2009, 10:10 PM

cliffmac I'd replace the spark plugs... 10-25-2009, 09:49 PM

cliffmac If you really want to go... 10-25-2009, 10:02 PM

sam196370 I had a rough idle on my '89... 02-09-2011, 11:44 AM

alabbasi While it's idling rough,... 02-09-2011, 11:49 AM

10-19-2009, 10:32 PM

Fishead

Registered User

Join Date: Aug 2009

Posts: 14

Another 560 sel rough idle

I have posted before but I have some more info.It is driving me nuts.Car idles rough, warm or cold.Idles at about 600rpm.It is not missing just rough. When I accelaerate from a stop it is as smooth as silk. If I put in neutral and rev engine to 1500rpm once again it is so smooth it is unbelievable. Accelerates great and runs smooth under load or at 1500 in neutral.Has a starting problem.Start it and immediately dies.But always starts on second attempt.If it sits for a while it usually starts right up but still idles rough.Any ideas.Love the car once you are going you cant even tell the engine is running!

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