Fuel Distributors..How do they work..mine doesn't.... - Mercedes-Benz Forum

 
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post #1 of 5 (permalink) Old 09-19-2004, 03:45 PM Thread Starter
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Vehicle: 1986 560 SEL
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Fuel Distributors..How do they work..mine doesn't....

I have a 1986 560SEL which a couple of weeks ago died on the road suddenly. It had occasionally died in traffic before but always restarted fine. This time it cranks without a single sputter of life.

Checked spark, okay. Checked fuel pump relay and pump connections and pressure to the fuel distributor, okay. Checked fuel at injector connections, nothing.

I have 126 service manuals on CD but not a single page discusses how the distributor works. Is there something driven by whirring shaft or vacumn power to check?

Interestingly, if the car sets a few days, I get an initial sputter out of it as if some fuel weeps over time down to the injectors but after that..nothing.

If anybody has some hints for me, it would be well appreciated. Thanks in advance.
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post #2 of 5 (permalink) Old 09-19-2004, 04:25 PM
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RE: Fuel Distributors..How do they work..mine doesn't....

Just a silly thought, but never mind checking fuel pump pressure, does it actually pump fuel? I've actually seen bad pumps that have pressure into a guage, but no flow.
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post #3 of 5 (permalink) Old 09-19-2004, 04:35 PM Thread Starter
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RE: Fuel Distributors..How do they work..mine doesn't....

Thanks, not silly at all. I think I have good flow up but sure didn't check down. Maybe it's constipated somewhere :)
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post #4 of 5 (permalink) Old 09-19-2004, 05:06 PM
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RE: Fuel Distributors..How do they work..mine doesn't....

same data applies to the 560
http://www.benzworld.org/publications/pub.asp?id=281

http://www.benzworld.org/publications/pub.asp?id=282

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post #5 of 5 (permalink) Old 09-19-2004, 06:58 PM Thread Starter
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RE: Fuel Distributors..How do they work..mine doesn't....

Thanks! That was exactly what I was looking for.
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