PeachParts Mercedes-Benz Forum - 560SL surges on overrun

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hendo

04-16-2000 06:47 AM

My 86 560SL surges up and down about 200-300 rpm when rolling down hill at above about 80kph. Idle is smoothe, but a bit high at about 900rpm. Any suggestions?

Benzmac

04-16-2000 09:43 PM

If the idle is too high, you have a fault and the system is not using the normal deceleration fuel shut off.

------------------
Benzmac:
Donnie Drummonds
1992 500E (very soon I hope :)
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

hendo

04-17-2000 12:19 AM

Thanks for that. I suspected the two might be related. Any suggestions where I start looking to get a"normal deceleration fuel
shut off"?

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