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2003 Mercury Mountaineer
April, 11, 2011 AT 1:43 AM
My 2003 mercury all of a sudden started running very rough and has a sulfer smell and the check engine light came on. I bought a code reader but no codes are being displayed.
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Code Reader Shows No Codes For
April, 11, 2011 AT 1:46 AM
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.
8.EGR valve that is leaking.
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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