1994 Mercedes Benz 350sdl sluggish

Tiny
CRANEWMN
  • MEMBER
  • 1994 MERCEDES BENZ 350SDL
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 287,000 MILES
I have noticed the car is very sluggish going uphill or when I try to merge into fast traffic. Could it be the fuel filter? And are there 2 filters and where are they located?
Sunday, August 15th, 2010 AT 2:35 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, bogging, misfiring etc. Could be caused by one of the following below:

Start here-inspect and test all the items below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it.
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Sunday, August 15th, 2010 AT 9:31 PM

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