1984 Mercedes Benz 280sel



May, 29, 2010 AT 5:48 AM

Engine Performance problem
1984 Mercedes Benz 280sel 6 cyl Two Wheel Drive Automatic 316831 miles

What is the problem, when the car battles to accelerate. There seems to be power on the onset but when it changes into third with gas pedal fully depressed it struggles to pickup more speed. Really sluggish


1 Answer



May, 29, 2010 AT 10:20 PM

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle 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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