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2001 BMW 318 Repair Question


Topics covered: Sensor, Spark, Spark plugs.
Mileage: No information provided.

Asked on June 9, 2010

2001 BMW 318 misfires

Engine Performance problem
2001 BMW 318 4 cyl Two Wheel Drive Manual 115000 miles

hi there,
my car keeps misfiring and i cant seem ti find the problem, i have tried changing the spark plugs and there is no change. could you please help me
Avatar Asked by kate10123

Answer

Replied on June 9, 2010

Inspect and test all the following listed below:

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.

Tiny Answered by rasmataz
68 questions asked
Replied on June 9, 2010

The coils are possibly in need of replacement, there is a recall from BMW on some of them.

Tiny Answered by Dr. Hagerty (expert)
9,669 answers provided