BMW Z3 MISFIRES WHEN COLD

Tiny
RON0726
  • MEMBER
  • 2000 BMW Z3
  • 74,250 MILES
CAR MISFIRES WHEN COLD. NO PROBLEM WHEN CAR WARMS UP. WHAT COULD BE CAUSING THIS TO HAPPEN
Saturday, August 27th, 2011 AT 10:04 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
https://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Manifold absolute pressure sensor
12.Mass Airflow Sensor
13.Idle air control valve

Note: If it doesn't apply disregard it-
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Saturday, August 27th, 2011 AT 10:18 PM

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