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Old 08-08-2007, 03:38 PM
Registered User
Join Date: Jul 2007
Posts: 15
benz 500sl help

my 90 500 sl
have couple of issues
when warm it hasitates when you step on the gas
and the temp goes above 80 if that normal
and aslo i get about 400 km per tank in city
what to do to get better gas milegae
i changed the fuel distributer
do you have to adjust it after wards ???? if so details please
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Old 08-09-2007, 08:47 AM
Super Moderator
Join Date: Apr 2000
Location: Falls Church, VA
Posts: 5,316
Don't know this specific car well, but temps over 80 are normal in summer, but probably not over 100. You do need to adjust the mixture. On US cars it is done by connecting a dwell meter or multi meter with a duty cycle function to Pin 3 of the diagnostic socket and adjusting the mixture to fluctuate around 22 degrees dwell (on 8 cylinder scale) or 50% duty cycle.

Lots of posts on this, try a Search
Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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