Grand Voyager 3.3 (99)

Tiny
GRAHAM20873
  • MEMBER
  • 1999 CHRYSLER GRAND VOYAGER
  • 6 CYL
  • FWD
  • AUTOMATIC
I have just rebuilt top end of engine on chrysler grand voyager 3.3 on 99 plate, both sets of cylinders, done water pump, radiator coolin system, engine runs fine, but when in gear has power at low end but when it reaches 3000 revs starts to misfire and loose power, any help would be much appreciated many thanks graham
Wednesday, May 4th, 2011 AT 7:01 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
--Engine running rough or misfiring can be cause by the following:

https://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-
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Wednesday, May 4th, 2011 AT 7:07 PM

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