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  #1  
Old 02-01-2007, 02:43 PM
mjpay
 
Join Date: Dec 2006
Posts: 20
1995 e300 poor performance when cold

Engine starts when cold and runs fine at idle. Glow plug light on dash comes on the goes out after 8-10 seconds. Engine starts immediately and runs fine. Starting to accelerate is where the problem occurs. The engine bogs down as though some of the cyclinders are not firing. Once the engine is warm [15/20 minutes] the car runs fine. it only happens if the car is cold and has not been running for 15-20 minutes. The glow plugs were just replaced about 2000 miles ago.

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  #2  
Old 02-01-2007, 04:02 PM
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
It may be a resonator flap issue. Has it ever been cleaned?
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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  #3  
Old 02-01-2007, 04:17 PM
mjpay
 
Join Date: Dec 2006
Posts: 20
Never been cleaned since I 've own the car. Its on the air intake correct?
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  #4  
Old 02-01-2007, 04:20 PM
mjpay
 
Join Date: Dec 2006
Posts: 20
How does one go about cleaning this valve?
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  #5  
Old 02-01-2007, 04:27 PM
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
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See #8 on the diagram. I'm not sure if there are also flaps in #77 or not? Am more familar with my 606 Turbo model than yours.

http://detali.ru/cat/oem_mb2.asp?TP=1&F=124131&M=606%2E910&GA=722%2E435&GM=717%2E433&CT=M&cat=19T&SID=14&SGR=030&SGN=02
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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  #6  
Old 02-01-2007, 04:43 PM
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Join Date: Oct 2005
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Is this new behavior? My '96 is drivable when the engine is cold, but barely so as it's a much more pronounced turd. It takes at least five minutes of running before I'd want to enter a highway.
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  #7  
Old 02-01-2007, 04:54 PM
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Location: Walnut Creek, CA & 1,150 miles S of Key West
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Quote:
Originally Posted by Matt L View Post
as it's a much more pronounced turd.
Matt....you sound like a man who is ready to buy a turbo!
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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  #8  
Old 02-01-2007, 05:02 PM
mjpay
 
Join Date: Dec 2006
Posts: 20
The car really struggles to go then finally runs but smokes as though the glow plugs were not working, similiar to the symptom before the glow plugs were changed since at startup the car smoked until it warmed up. That does not occur now at startup but if the car is not warmed up it will smoke and bog when one tries to accelerate.
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  #9  
Old 02-01-2007, 05:04 PM
mjpay
 
Join Date: Dec 2006
Posts: 20
I'll check the resonance valve as described by terry
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  #10  
Old 02-01-2007, 05:39 PM
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Quote:
Originally Posted by TMAllison View Post
Matt....you sound like a man who is ready to buy a turbo!
I did, a nice variable vane unit. Unfortunately, I can't seem to remove it from its packaging without arousing the ire of others.

But while mine is indeed pretty slow when cold, it sounds like the original poster has a problem. It should be drivable.

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