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2001 BMW 318 misfires

Tiny
KATE10123
  • MEMBER
  • 2001 BMW 318
  • 4 CYL
  • 2WD
  • MANUAL
  • 115,000 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
Wednesday, June 9th, 2010 AT 1:31 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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
DOCHAGERTY
  • MECHANIC
  • 9,601 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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