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#1
11-08-2014, 10:52 AM
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W126 Fuel distributor
Hello out there!
My 1990 420 SEL has been diagnosed with a bad fuel distributor. Do I need to replace the airflow throttle body as well or can I get away with getting a used fuel distributor only? Thanks 
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#2
11-08-2014, 12:09 PM
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you don't need the air flow meter also.
i would suggest buying a rebuilt f/dist instead of used. try here- CIS Flowtech - Rebuilding Bosch Fuel Distributors & Warm-Up Regulators dealt with him a few times and no issues. good luck, chuck.
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#3
11-13-2014, 07:46 PM
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CIS Flowtech - Rebuilding Bosch Fuel Distributors & Warm-Up Regulators
Larry is the chap to speak with there. Pretty much the authority on Kjet/CIS. I would not waste my time, nor my money with a used fuel distributor.
__________________
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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#4
11-13-2014, 07:58 PM
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+2 ... Larry Fletcher at CIS Flowtech is the man for a fuel distributor rebuild/calibration.
You don't need to send in the entire fuel plate assembly, just the distributor and EHA (black box screwed onto the side). Don't bother with used - 75% of the time the junkyard units are bad and/or leak. It's a crapshoot that's not worth the time and effort. Larry will take care of ya...
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#5
11-13-2014, 08:38 PM
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Oh yes, I forgot about the EHA.
 Both of my CIS W126s have had that fail within the past few years... you really should budget a new unit into this repair.
__________________
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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