1992 Other Toyota Models engine missing

1992 TOYOTA
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BINSHEHAA
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Engine Performance problem
1992 Other Toyota Models 6 cyl Two Wheel Drive Automatic none miles

dir sir
i have car gx 100 but have missing give me 10 reason to tend to elliminate this condition
Sep 20, 2010 at 9:20 AM
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RASMATAZ
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Engine running rough or misfiring can be cause by the following:

1.Defective spark plug
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.Idle air control valve.
Sep 20, 2010 at 9:23 AM