2001 BMW 318 MISFIRES

  • Tiny
  • Kate10123
  • 2001 BMW 318

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

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Wednesday, June 9th, 2010 AT 1:31 PM

2 Replies

  • Tiny
  • Rasmataz
  • MEMBER

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.

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Wednesday, June 9th, 2010 AT 1:41 PM
  • Tiny
  • Dr. Hagerty
  • EXPERT
  • 9,737 POSTS

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

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Wednesday, June 9th, 2010 AT 4:24 PM

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