1989 Mercedes-Benz 560SL 5.6L Poor Idle Quality
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...
FIX posted 1/29/2006
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Message Closed w/FIX
Vehicle Data1989 Mercedes-Benz 560SL
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Message Closed w/FIX
Vehicle Data
1989 Mercedes-Benz 560SL
VIN | WDBBA48D3K |
Engine | 5.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / CIS-E |
Emissions | US |
Symptoms | Poor Idle Quality |
Occurs | Idle |
Misc. | High Idle Speed |