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#1
10-07-2007, 05:16 AM
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'91 W126, CIS injection sender (four pin)?
I can't locate the specific name, let alone a P/N so I can get it ordered up.
It is a four prong switch/sender that sits just aft of the idle solenoid on my 560. It runs something for the CIS, I replaced it on my 300SEL also but misplaced the part number.   If anyone can help, I'd appreciate it! 
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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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#2
10-08-2007, 08:25 AM
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CIS-S coolant temp sensor for that car is 008-542-32-17
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#3
10-08-2007, 09:28 AM
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Quote:
Just curious, why are you replacing your four prong switch....what problems are you having? Dave
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 1993 190E 2.3 2001 SLK230 1971 LS5 (454) Corvette Convertible
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#4
10-08-2007, 11:28 AM
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My idle is high in park (not 2000rpm, but 900rpm hot) and I've replaced/resealed everything else. I've experienced before a bad sender to the computer causing my vehicle to dump massive fuel at idle.
Senders don't last forever, so I replace them all on any vehicle I purchase. $30 is cheap insurance for any issues.
__________________
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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