1991 300sl starting problem,fuel gauge drops to zero intermittantly

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1991 300sl starting problem,fuel gauge drops to zero intermittantly

09-21-2009, 10:44 AM

SailawaySG SailawaySG is offline

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Join Date: Aug 2008

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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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