Multiple cylinder misfire

Tiny
ZIENA69
  • MEMBER
  • 2007 MERCURY BOBCAT
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 63,000 MILES
What will cause a multiple cylinder misfire and loss of power 2007 Mercury Milan Premier v6 engine
Sunday, February 13th, 2011 AT 11:16 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following:

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

https://www.2carpros.com/articles/engine-misfires-or-runs-rough
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Monday, February 14th, 2011 AT 10:38 AM

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