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2001 Rodeo Sport 3.2 V6 misfire and reduced power.

Tiny
DACLOGIC
  • MEMBER
  • 2001 ISUZU AMIGO
  • 96,875 MILES
When starting car in morning motor starts revs to 1200 RPM then slows to 800 RPM and 15-20 seconds then restart. Car runs fine.

After above occurs, sometimes when driving above 1200 RPM, CEL flashes when I reduce RPM, CEL comes on solid, then when I accerlate it starts flashing again. Pull over, shut engine off, wait 20-30 seconds, start engine everything is ok. Had codes run, they indicate misfire and O2 sensors bad. Will the O2 sensor cause there problems?
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Friday, October 7th, 2011 AT 9:21 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Friday, October 7th, 2011 AT 9:26 PM

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