1998 Honda Passport not running right

1998 HONDA PASSPORT
97,000 MILES • 6 CYL • 4WD • AUTOMATIC
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HONDA9866
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  • 1 POST
i have a 1998 honda passport and cylinders 1 3 5 are not firing at all i have checked the coils got spark and fuel injection have power and pulse on the neg side . i have 150 lbs of compression on all cylinders what else is their.
Apr 12, 2010 at 7:57 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Engine running rough or misfiring can be cause by the following-inspect and test all the following below:
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.
Apr 12, 2010 at 11:30 PM
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