I am getting a P1506 error code. The following have been cleaned: MAF, Throttle Body, IAC, EGR. The respective gaskets have been replaced. After cleaning the parts, the engine was idle "hunting", about 250RPM, so I adjusted the idle. The "hunting" is now very minimal, really not noticeable. I am still getting the P1506 error code. Any ideas? Does it sound like I need to continue adjusting the idle? Thank you.
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Friday, January 23rd, 2015 AT 2:43 PM