Mechanics

ALL SIX CYLINDER MISSFIRE FOR 97

1997 Toyota 4Runner • 160,000 miles

Plugged in obd tool and all six cylinders are missfiring
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Azampogna
December 17, 2011.




Engine running rough or misfiring can be cause by the following:

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

Rasmataz
Dec 17, 2011.


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