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#1
04-30-2008, 10:54 PM
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E320 94 sticky iddle
Lately my wagon has developed a strange idle problem. When lifting the foot off the gas pedal the idle drops very slow. I can see a 2-4 sec delay until the idle drops from 1000 to 750. What should I look for?
It has the same feeling like the engine braking on manual transmissions. It is accompanied by a wining noise when down shifts.
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New Addition to the family 2013 Passat TDI 5Miles 2004 E500 4MATIC Wagon 95k 1996 E300 Diesel 173k Sold 1993 300E 2.8 230k Sold 1994 E320 White Wagon 373K Sold Still dreaming about ....500E Radu Negru 
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#2
05-01-2008, 08:05 AM
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Since that has electronic controls...using a scanner on the ea/cc/isc computer might shed some light.
You might try scrubbing the throttle assembly.
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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
05-01-2008, 06:41 PM
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No codes whatsoever, check engine light is not on.
I suspect a vacuum leak, vacuum actuator or a faulty fuel pressure regulator. What do you think?
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New Addition to the family 2013 Passat TDI 5Miles 2004 E500 4MATIC Wagon 95k 1996 E300 Diesel 173k Sold 1993 300E 2.8 230k Sold 1994 E320 White Wagon 373K Sold Still dreaming about ....500E Radu Negru Last edited by radunegru; 05-01-2008 at 08:49 PM.
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#4
05-11-2008, 11:08 PM
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Could be a stuck Bowden? I am also experiencing some trany slippage in 2-3 and 3-4.
Please help .. I ran out of options
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New Addition to the family 2013 Passat TDI 5Miles 2004 E500 4MATIC Wagon 95k 1996 E300 Diesel 173k Sold 1993 300E 2.8 230k Sold 1994 E320 White Wagon 373K Sold Still dreaming about ....500E Radu Negru
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#5
05-11-2008, 11:35 PM
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Where did you check for codes ???????????
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A Dalton
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#6
05-12-2008, 10:11 PM
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Went to my mechanic last week and he had a scanner that actuality displays the codes in a readable form sparing me from the hassle to count the pulses. He said that there are no codes.
What I am asking is that a too stretched or a pinched Bowden cable could create this problem. I was trying to adjust the cable and no results. It looks like there is no effect on how much I am turning the plastic knob on the cable.
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New Addition to the family 2013 Passat TDI 5Miles 2004 E500 4MATIC Wagon 95k 1996 E300 Diesel 173k Sold 1993 300E 2.8 230k Sold 1994 E320 White Wagon 373K Sold Still dreaming about ....500E Radu Negru
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