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1999 Isuzu Rodeo Loss of Power

Tiny
FANUEL
  • MEMBER
  • 1999 ISUZU RODEO
  • 3.2L
  • V6
  • 4WD
  • MANUAL
  • 189,000 MILES
My Isuzu KB320 has lost Power, in the morning when you start it runs perfect as you start it after an Hour the engines starts perfects but fail to idle normally like starts misfiring and blow backs when you drive it doesn't go above 4000rpm and the engine starts consuming more fuel than normal, the engine might stabilize and runs perfect but will change at any point in time, there no Engine check light coming changed the Fuel pump and checked the fuel system everything seems normal changed the Airflow meter but nothing has changed
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Sunday, February 2nd, 2014 AT 11:37 AM

6 Replies

Tiny
EMERGENCYTECH
  • MECHANIC
  • 26 POSTS
I would check coolant temp senor. If its reading are staying low engine will run fine tell warmed up. Because pcm still thinks engine is cold and is dumping in way to much fuel.
Think of the coolant temp sensor as a choke
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Sunday, February 2nd, 2014 AT 11:43 AM
Tiny
FANUEL
  • MEMBER
  • 4 POSTS
How do see my Engine coolant temp sensor on an Isuzu KB320 1999 model
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Sunday, February 2nd, 2014 AT 11:53 AM
Tiny
FANUEL
  • MEMBER
  • 4 POSTS
Sir Thank you for your Valuable response How do see my Engine coolant temp sensor on an Isuzu KB320 1999 model
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Sunday, February 2nd, 2014 AT 11:54 AM
Tiny
EMERGENCYTECH
  • MECHANIC
  • 26 POSTS
The coolant temp sensor should be on right or left front of engine. To see the what the coolant temp sensor is reading u need a scan to or a ohms metter
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Sunday, February 2nd, 2014 AT 12:05 PM
Tiny
FANUEL
  • MEMBER
  • 4 POSTS
Sir Thank you again, what about the misfiring and Blow back when the engine is on acceleration
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Sunday, February 2nd, 2014 AT 12:09 PM
Tiny
EMERGENCYTECH
  • MECHANIC
  • 26 POSTS
Misfiring and backfiring a a common symotom to coolant temp sensor fault.
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Sunday, February 2nd, 2014 AT 12:14 PM

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