Mechanics

ENGINE RUNS ROUGH AND CAN SMELL GAS MISFIRE IS ON RIGHT SIDE

2000 Lincoln LS • 177,000 miles

I can smell gas at an idel. It runs rough untill you get up to around 40-45 mph. At 65 mph it runs smooth and can still get 22 mpg, but at 35-40 mph about 17 mpg.
Avatar
Skillet55
February 26, 2012.



Go to this link:

http://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

Rasmataz
Feb 27, 2012.