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Sluggish Acceleration

Tiny
DARRYLZIDE
  • MEMBER
  • 1989 MERCEDES BENZ 560SEL
  • V8
  • 2WD
  • AUTOMATIC
  • 118,000 MILES
1989 mercedes 560sel sluggish acceleration. Goes real slow off the line and then builds up speed. Replaced fuel pumps and filters, no problem with realy, pressure is ok.
Wednesday, December 8th, 2010 AT 5:26 AM

6 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Have you done a trans service, is the trans slipping at all?

Mark (mhpautos)
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Wednesday, December 8th, 2010 AT 5:59 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Is the vacuum advance/retard working if that model has 1? Was any work done recently to car?
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Wednesday, December 8th, 2010 AT 7:35 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
And trans wise is it starting out in low?
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Wednesday, December 8th, 2010 AT 7:39 AM
Tiny
DARRYLZIDE
  • MEMBER
  • 4 POSTS
Done Trans, no slipping. Recent work was valve cover seals, rear seal, plenum replaced, fuel pump and filter replaced, pressure ok, converters clear, relay ok, sluggish until gets going and then cruises fine. Hard to start, but idles fine.
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Wednesday, December 8th, 2010 AT 7:27 PM
Tiny
MHPAUTOS
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  • 31,937 POSTS
Check fuel filters and there is a small strainer in the injection head at the inlet pipe.

Mark (mhpautos)
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Thursday, December 9th, 2010 AT 2:17 AM
Tiny
DARRYLZIDE
  • MEMBER
  • 4 POSTS
Fuel filter is new, injector distributor is clean.
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Thursday, December 9th, 2010 AT 2:22 AM

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