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P0299 Diagnostic Trouble Code Discussion for July 2011

Turbocharger Engine Underboost

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Trouble Ticket Help Requests for DTC P0299
Help Request Posted
2003 Audi A4 Quattro 1.8L Check eng light VIN: WAULC68E03
P0299: Turbo underboost 16683. Have this p0299 underboost code.previously we had codes p0299 & p0171 lean code. We found the lines to crankcase ventalation leaking air with smoke tester. We fixd all of that and now this code p0299 remains. Fuel trims are good. Resmoked it no leaks. I he...
July 27, 2011