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1989 Mercedes-Benz 560SL 5.6L Poor Idle Quality
Posted to European Driveability on 1/14/2006 19 Replies

Vehicle has high idle speed (approx 1100 rpm) with A/C off. Checked timing, vacuum leaks, and checked throttle switch (all ok). Checked by applying 12V to idle valve momentarily and engine dies. Idle speed does drop when disconnecting vacuum to ignition contol...

19 Replies Received (View Replies)

  Related Documents & Media  1989 Mercedes-Benz 560SL

 
Message Closed w/FIX

car Vehicle Data

1989 Mercedes-Benz 560SL

VIN WDBBA48D3K
Engine5.6 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CIS-E
EmissionsUS
SymptomsPoor Idle Quality
OccursIdle
Misc.High Idle Speed
Message Closed w/FIX

car Vehicle Data

1989 Mercedes-Benz 560SL

VIN WDBBA48D3K
Engine5.6 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CIS-E
EmissionsUS
SymptomsPoor Idle Quality
OccursIdle
Misc.High Idle Speed