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  #1  
Old 01-14-2014, 12:58 AM
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Join Date: Dec 2006
Location: Auburn California
Posts: 127
560 stumble after warmup

Help, 1990 560, new timing chain, seemingly running fine, after brief post office visit car ran fine for 100 yards, then stumbled.
Acts like a gas blockage.
If car sits a few, it runs for a few seconds then acts starved for gas.

How should I trouble shoot this?


Last edited by whunter; 01-15-2014 at 07:08 PM. Reason: spelling
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  #2  
Old 01-14-2014, 10:31 PM
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What is a tumbling?
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  #3  
Old 01-15-2014, 07:09 PM
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Hmm

I think he means STUMBLE..


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  #4  
Old 01-15-2014, 09:26 PM
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I did too, but I was not for certain.



Start with a set of CIS gauges and check the pressure at the fuel distributor along with a vacuum gauge to the intake manifold.
__________________
I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.
[/IMG]
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  #5  
Old 01-16-2014, 12:43 AM
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MB FSM Engine Manual 420/ 560

Just posted a nice 560 engine manual in the Parts for Sale forum if you decide you need or want a paper manual! Good luck with this problem!

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