Ive looked around and am still fighting this. I have a 99 isuzu rodeo with 75k miles. I keep getting ahigh idle, sometimes up to 2500 rpm in park. It is not giving off a code. Ive replcd the EGR valve, the idle air control sensor, the pcv valve and the mapp sensor. I thought that the EGR valve had fixed it but in two days I was back to the same spot. Thats when I figured that if I unhooked the battery and then hooked it back up the rodeo will idle correctly for a short time, a day or so. I think that this is telling me something but im not sure what. Im not really sure where to go from here. Any thoughts?


Thanks

 

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Hi, I am new here and I have the same issue with My 98 rodeo.


Also change the Iac valve, and this happend most of the times when I run long rides.


Not found yet the solution.


PLEASE FEEDBACK..
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