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1998 Mercedes Benz A140 loss of power and high fuel consump

Tiny
KOWLESSUR
  • MEMBER
  • 1998 MERCEDES BENZ A140
  • 4 CYL
  • 2WD
  • MANUAL
  • 89,000 MILES
Hiya, I have a Mercesdes a 140 elegance, since a few weeks ago i've noticed that there is a lost of power and the car also hesitates when I press the gas pedal. Its does consumes a lot of fuel too. I have done a fuel servicing ( air filter, fuel filter, oil filter, pollen filter, oil and sparks plug) hoping to clear the problem. Can u advise me the next steps. Thank you
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Saturday, July 3rd, 2010 AT 4:33 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possibilities: Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position 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
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Saturday, July 3rd, 2010 AT 8:22 PM

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