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  #1  
Old 06-09-1999, 02:10 AM
300SD
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Hello,

On my 300SD, the fuel pump is out of calibration, as a mechanic gave me some bad advice on how to smoothen the engine idling. He suggested that I loosen tne nozzle holders and "adjust them" left or right as needed. I have since learned that this should not be done. It's been about a couple years, and the car is fine, idles smooth, good power, very minimal smoke. The car is in mint condition and has only 130K Original miles. Is it worth replacing/recalibrating this fuel pump; should I be concerned that the engine might wear unevenly? Has anyone else ever had this happen to them>?
  #2  
Old 06-09-1999, 09:15 PM
M.B.DOC
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If the engine is as smooth as described could the injection pump be very far out. Don't mess with a good thing!
  #3  
Old 06-09-1999, 10:33 PM
300SD
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Thanks for the reply,

What do you mean by Far out? I;m guessing you mean just leave it the way it is?
Please clarify
  #4  
Old 06-09-1999, 11:27 PM
Benzmac
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Yes, leave it alone. If the pump was far out of calibration, the car would run terrible.

------------------
Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM


  #5  
Old 06-11-1999, 09:38 PM
Ralph Burnette
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You may want to add some Redline Oil
Diesel Catalyst or 85+. You can get
it from Pep Boys or see www.redlineoil.com.

My 300SD was running 'sluggish' and I
added a bottle to a tank. It perked right
up!

I have a 1993 300SD with 119K on it.


------------------
Ralph Burnette
1993 300SD
  #6  
Old 06-18-1999, 02:26 PM
poptest
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How can a mechanic tell you that your pump is out of calibration? The only way to find out that it's off specs is if the pump were dismounted and checked by a Bosch diesel service agent on a diesel test stand.

So, if your car runs well, don't pull down that pump.

------------------
Jake
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