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Discussion Starter #1
06 6.0 stock except K&N 86,000 miles. I had been having the famous 299 code showing up. I kept clearing it, but keeps coming back. Runs fine with no noticable loss of power. I jumped on it today and got 29 on the boost, but the cel came on. Should I keep ignoring until I notice lack of power?
 

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I assume you mean po299. Turbo underboost. Try cleaning your ebp sensor and tube.
Should clear it up.
 
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