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Engine rough idle and stalling

Tiny
RONE
  • MEMBER
  • 2001 BMW X5
  • 167,000 MILES
My 2001 bmw x5 (167,000 miles) starts, idles roughly and stalls out. After stalling out while driving vehicle was towed and I need to trouble shoot. Where do I begin?
Monday, August 22nd, 2011 AT 12:29 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Go to this link for more information:
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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Thursday, August 25th, 2011 AT 3:44 AM

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