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Old 02-18-2014, 06:39 PM
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Join Date: Oct 2013
Posts: 126
1986 300sl new fuel pump and filter still no luck Please help.

Hi. I just got done replacing my fuel pump and filter on my 86 300sl and put about a gallon of gas in it. It finally started and idled for about a minute so I let it back off the jacks and thought I fixed it but now if it starts and I rev. the motor it dies on me.Earlier I thought it might be a bad fuel pump I wired it to an aftermarket one which worked for awhile. Any help will be greatly appreciated! Thanks. Greg.The weather's nice but I can't drive my convertible!
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Old 02-18-2014, 07:43 PM
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Join Date: Jan 2012
Posts: 6,233
Why was the pump changed?

One gal fuel from empty might not be enough to run the car, add one more gal.
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Old 02-18-2014, 08:41 PM
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Join Date: Oct 2013
Posts: 126
I'll add more gas tomorrow and try again. I think the car was able to run with a gallon or so of gas because the rear of the car was elevated and when I let it down it probably wasn't enough gas to run it. Hope that's all it is. I changed the pump because it acted like it ran out of gas going up my driveway. Also the old pump was real hot to the touch. According to the papers I got with the car, it's been changed a couple of times before over the years.Thanks Greg.
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