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#1
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1996 C280 CEL still on
208K and code p0441 read at inspection time. I replaced the purge valve and blew the lines out and reset the CEL. About 20 miles later CEL came back on with same code. Can anyone offer what to check next? Thanks.
__________________
Free your heel and your mind will follow! |
#2
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Making sure that both black hoses that connect to the purge valve are connected AND not leaking vacuum.
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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 |
#3
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connected vacum line, now overheating
I pulled the washer reservoir and noticed vacuum line that runs from the bottom of that switch to the manifold area was not connected, hooked her up and drove < 2miles, temp went to 115 and many "gurgling" sounds coming from dashboard area. I then unhooked same vacuum line but temp still hovering around 120 and gurgling sound from dash continue. I noticed a third nipple on topside of that switch under the reservoir but no loose lines in the vicinity. What's going on here? Did my thermostat crap out on me incidentally?
__________________
Free your heel and your mind will follow! |
#4
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CEL still on
I replaced the gas cap, and checked that the 2 black lines that connect to purge valve are indeed connected. The "switch" under the windshield washer reservoir is now connected, one line from the suction side of the purge valve and another going to a connection under the air intake. There is a third nipple that sticks straight up on the suction end of the "switch" that is naked. Is there suppose to be a vac line attached?
The overheating was froma leaky water pump that took 2 days for me to change out. Tip- get a correct pump from your MB shop.
__________________
Free your heel and your mind will follow! |
#5
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Help anyone!
Both black lines are connected to purge valve and not leaking vaccum. Any ideas what's next?
__________________
Free your heel and your mind will follow! |
#6
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Does the purge valve "pulse" once the engine is warm?
And did you use a new valve?
__________________
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 |
#7
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Yes,
Purge valve does "pulse" when warm.
It is a new valve.
__________________
Free your heel and your mind will follow! |
#8
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bump...
for any ideas-please. I don't want to "throw" lots of $ at this.
Thanks
__________________
Free your heel and your mind will follow! |
#9
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CEL still on
The purge valve pulses when warm and the black lines on either side of the valve are hooked up. My local indie mechanic can't find any vacuum leaks. What could be the problem here?
__________________
Free your heel and your mind will follow! |
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