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#1
11-27-2015, 08:27 PM
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1983 380sl
Recently, my car starting idling around 3500 rpm regardless of being cold or running for a while. Any thoughts on the problem and/or the fix.
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#2
11-28-2015, 03:10 AM
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High Idle 1983 380SL
As soon as I start the car the idle takes off to around 3500-4000 rpm and will not come down. If I attempt to put the car in gear, it immediately takes off and almost impossible to stop the car. It will not idle down at all.
I let the car set for 24 hours, I attempted to start it again cold, however it immediately idled at 3500 rpm.
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#3
11-28-2015, 09:49 AM
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your auxiliary air valve is most likely non functioning , search the forum, ,many threads on it .
Also suspect - rule out any air/vacuum leaks , check all lines
__________________
Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD  16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace
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#4
11-28-2015, 11:36 AM
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Can you tell me where the Auxillary Air Value is located? Also, thank you so much for the quick reply....
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#5
11-28-2015, 12:08 PM
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__________________
Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace
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#7
11-28-2015, 02:04 PM
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At cold start the idle control valve is open. The idle would be high but not this high. More likely it is either the OVP or idle control unit. OVP can be bad or the fuse on top blown. Try twisting the ICU.
Location of the various components can be found in the online manual. Model 107
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