Rough idle in drive

Tiny
EDWARDBARRON
  • MEMBER
  • 2000 MITSUBISHI GALANT
  • 268,000 MILES
I have already cleaned the throttle body and the mass air flow sensor. There is not a check engin light on.
Monday, September 5th, 2011 AT 4:17 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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Monday, September 5th, 2011 AT 4:26 PM

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