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View Full Version : P0299 engine code-turbo underboost



QuartzB7
08-11-2008, 11:59 PM
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I have recently purchased a b7 a4 2.0t and later got the APR 93 octane program. Soon after the check engine light turned on and was diagnosed as fault code p0299. It turns off when the chip is disabled. Has anyone else had this problem or could offer some advice on what is causing this? THANKS

Allan T
08-12-2008, 12:59 PM
Take a look on this webside: http://wiki.ross-tech.com/index.php/Category:Fault_Codes

BADRVCA
11-25-2012, 09:46 PM
thanks Allan T.