1988 Nissan Truck Engine miss

1988 NISSAN TRUCK
160,000 MILES • 4 CYL • 2WD • MANUAL
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MECHANICA
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  • 1 POST
Persistent engine miss on one cylinder is cured for a short time by fitting new plugs, points, etc. Returns within 500 kms. Engine has been overhauled - piston rings, bearings, etc.
Jun 29, 2010 at 4:51 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
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.
Jun 29, 2010 at 6:43 PM
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