BMW Z3 MISFIRES WHEN COLD

2000 BMW Z3
74,250 MILES
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RON0726
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  • 1 POST
CAR MISFIRES WHEN COLD. NO PROBLEM WHEN CAR WARMS UP. WHAT COULD BE CAUSING THIS TO HAPPEN
Aug 27, 2011 at 10:04 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic

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-
Aug 27, 2011 at 10:18 PM
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