Mechanics

THE SPUTTERS ON TAKE OFF AND WHILE SITTING AT RED LIGHT IN DRIVE. WHEN IN NUETRAL IT IDLES FINE AND RUNS TIGHT WHEN I GUN IT ON TAKE OFF. I HAVE CHANGED PLUGS AND WIRES, DISTRIBUTER CAP AND ROTOR.

1997 Mitsubishi Diamante • 132,000 miles

When slowly pressing down the gas peddle on take off the enjine sputters as if not running on all cylinders. When I gun it, it seems to run tight with lots of power. If I add fuel injection cleaner to the fuel it seems to help a a great deal but does not completely solve the problem.
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Drew Belter
October 27, 2011.



Do you have a check engine light and when was the last tune-up?

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
Oct 27, 2011.