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  #1  
Old 02-23-2003, 05:56 AM
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Join Date: Feb 2002
Location: queens,new york
Posts: 355
450 sl /1973 117,768 miles

When I start the car she has arough and loud idle for about 6 minutes and then she smooths out. I have had the wires,cap,plugs,thermostat changed 2 months ago. I can't find any vacuum leaks. Soo I need any advise or suggestions I can get. Thanks

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Old 02-25-2003, 11:12 PM
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Join Date: Feb 2002
Location: queens,new york
Posts: 355
1973/450sl /117,768miles

Hi guys no one responded to my query re: rough idle for approx.
6 minutes then she smoothes out is this normal. Some help needed.thanks
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Old 02-26-2003, 12:01 AM
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Join Date: Feb 2001
Location: Northern Calif Sacramento
Posts: 736
What type of plugs and brand are you using? My Djet car has problems similar to yours. I have reached the point and realized that a car with 30 year old wiring, switches and sensors etc will never be perfect unless I win the lottery or I'm able to devote lots of hours to tracing stuff down. You mentioned that it was loud explain the kind of noise further.
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  #4  
Old 03-01-2003, 12:44 PM
Gary Cinnamon
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Very likely it is moisture in the fuel injection points. This car has 2 sets of points, one for ignition in rotor cap, and another set in lower stem of distributor. An annoyance more than a problem. Common problem on all those early electronic fuel injection sets.
You can remove the distributor and clean/dry the points, but I have not tried it. Seen it done. Depends on how familiar you are with working in this area.
Gary

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