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#1
09-21-2009, 10:44 AM
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1991 300sl starting problem,fuel gauge drops to zero intermittantly
I have replaced the intake air sensor,fixed a loose vacuum hose to the breather tube to the cam cover, no air leaks to the air filter. But starting it is slow. you have to crank and crank and I noticed the fuel gauge drop from 3/4 to zero for a half second, then nurse it to run,after you can get it to 1000-2000rpm it'll run better but still stumble at low rpm.Idles smooth. Once it hits 3000rpm it'll run great.
Any ideas?? 
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#2
09-21-2009, 10:16 PM
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Without much detail, it sound like you have a leaking accumulator and it takes the pump a while to build enough pressure to get fuel to the cylinders.
The accumulator is back near the fuel pump by the RR wheel.
__________________
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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