Question about 1999 Isuzu Rodeo

2 Answers

99 rodeo with a 3.2

Engine idels very uneven, when steping on the gas at a light it feels like it wants to stall out and then starts to go, but it stumbles or hesitates even then. When you floor the gas pedal you can hear popping under the hood. any ideas guys?

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  • Anonymous Aug 09, 2008

    engine will run when gas petal is pushed but cuts out when petal is released

  • Anonymous Aug 09, 2008

    engine will only run when gas petal is pushed down let off engine stops

  • Rick May 20, 2009

    1999 Rodeo LS, V6 3.2, 5spd,4WD - I seem to have a similar or same issue. Check Engine light is on, getting error code indicating EGR problem. I have replaced the EGR valve ($120), PCV valve ($6), Mass Airflow Sensor ($120), run fuel injector cleaner and fuel system treatment through all in the last month. Problem is intermittent but becoming more frequent and now the engine is beginning to hesitate on acceleration. Took my vehicle into a local Pep Boys shop. They proposed replacing the Mass Air Flow Sensor, Idle Air Control sensor, and 2 - O2 sensors for $1242. I decided to buy the parts myself for around $400. I've replaced the Mass Airflow with no change in symptoms. I'm suspicious the shop is just shooting in the dark and don't really know what the problem is.



    Is a very slight leak oil leak in the intake manifold more likely to be the issue, or can it be a combination of all these items?



    Thanks a lot for any helpful suggestions.

×

2 Answers

Eletronic EGR valve is cloged remove and clean reinstall

Posted on Jul 24, 2008

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  • Master
  • 702 Answers

When was the last timing belt installed on your Rodeo? Sounds like the belt has enough stretch to it that it's retarding the timing now.

Posted on Jul 02, 2008

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