ENGINE MISFIRES AT HIGH SPEED OR AF

1981 Mercedes Benz E200

Tiny

mwacheda

April, 30, 2010 AT 5:26 AM

Engine Performance problem
1981 Mercedes Benz E200 4 cyl Two Wheel Drive Manual 25360 miles

merc 123 - 230 - when am on high speed over 80kph engine starts having mises /chokes and when climbing a hill until the vehicle starts jerking. What is the cause

FOUND 11936 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

April, 30, 2010 AT 6:12 AM

Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below.

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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