85 500SEL Surges on fuel demand and on highway

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85 500SEL Surges on fuel demand and on highway

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downsmith 85 500SEL Surges on fuel... 11-13-2001, 09:55 AM

dpetryk There is a small strainer at... 11-13-2001, 11:06 AM

downsmith Checked that strainer, there... 11-13-2001, 11:18 AM

dpetryk Not aware of any others.... 11-13-2001, 11:45 AM

downsmith Thanks again...last question... 11-13-2001, 11:49 AM

dpetryk I doubt that the tank needs... 11-13-2001, 04:36 PM

Guest 85 500SEL surges 11-13-2001, 05:20 PM

11-13-2001, 09:55 AM

downsmith

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Join Date: Jul 2001

Location: Oklahoma Sooners Alumnus

Posts: 116

85 500SEL Surges on fuel demand and on highway

Sometimes there is noise from the fuel pump, sometimes not. I used compressed air to back blow the lines with limited success.
It idles fairly smooth for 225,000 miles and runs fine otherwise, except for this problem. Is there a strainer in the fuel tank? What else should I check? I looked for a vacuum leak and did not find one.

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