Quote:
Originally Posted by Brianw36
I got a cel p0506 idle air control system rpm lower than expected. i am cammed A8 with gpro intake. But only drove about 5 miles. I will get the car out this weekend. I did tune for larger tb opening.
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Might need to bump your target idle up a bit. If that doesn't help, try adding a degree of timing in the idle areas to help the engine idle higher.