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#1
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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
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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!
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#3
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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
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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
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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
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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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