Question about Jeep Grand Cherokee
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Posted on Jan 02, 2017
Yes its possible that PCM, is issue, but its not possible that PCM is issue.---------
Do you notice the difference after replacing the idle, was the idle high or low before replacing the IAC valve? And did the idle problem solved after replacing the IAC valve.-----------
The check engine light will need to be reset with a scan tool, or you can wait and the computer will reset after the computer has seen that the problem is gone for a certain amount of starts. This is assuming that the IAC was actually the problem, there are other causes that can cause this code to set but if the idle was to high and now it is good the problem is likely fixed. some times it takes approx next 100 or 50 drive cycles to automatically reset the code.------------
But if you still notice the idle problem, even after replacing the IAC valve, then other possible causes for this same error code P0505 are:---
Posted on Jul 08, 2011
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