2.6 190E Fuel Pressure Regulator Question - Mercedes-Benz Forum

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Old 06-14-2010, 12:47 PM   #1 (permalink)
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Date registered: Jun 2010
Vehicle: '89 190E 2.6
Location: Chehalis, Wa
Posts: 37
2.6 190E Fuel Pressure Regulator Question

The regulator has a fitting at one end and what appears to be a vac line on the other. Where does thing go? I found this dangling free when replacing the ignition wires. The wire job was a flop! The car was running great with the ancient wires and now the #6 isn't firing under 1500 rpm. Swapped back in the old wire without success so I screwed something up.
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Old 06-14-2010, 07:49 PM   #2 (permalink)
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Date registered: Jul 2009
Vehicle: 92 190E 2.3 SOLD, 91 420SEL, 95 C280
Location: Tampa, FL
Posts: 487
It connects to a tube that goes from the valve cover to the ICV & to the air cleaner. take a close look at that and you should see the fitting for it, careful it is plastic and probably brittle.

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Old 06-14-2010, 07:56 PM   #3 (permalink)
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Date registered: Jun 2010
Vehicle: '89 190E 2.6
Location: Chehalis, Wa
Posts: 37
Thanks. I will open it up again in the morning and take a closer look. I did connect the loose end to the breather hose from the vc to the air box (there was a vacant hole there) and got no improvement. Thanks for the response.
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Old 06-14-2010, 09:10 PM   #4 (permalink)
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Date registered: May 2010
Vehicle: 1990 190E 2.6
Location: taipei taiwan
Posts: 15
check your #6 plug. you might have cracked it.
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