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P0299 Diagnostic Trouble Code Discussion for May 2015

Turbocharger Engine Underboost

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Trouble Ticket Help Requests for DTC P0299
Help Request Posted
2010 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUBFAFL0A
P0299: turbo press reg range not reached. had additional lean codes and fuel pressure range codes previous p119a, p0506, p12a2. also excessive vacuum in crankcase and long term trim at +70. smoke test negative. replaced oil separator/breather on valve cover and that took care of crankcase vacuum and b...
May 01, 2015
2006 Ford F-250 Super Duty XLT 6.0L No Start, Cuts out, Stall VIN: 1FTSW21P76
P0299: Turbo/Supercharger Under-Boost. Have a Powerstroke with what seems to be some sort of electrical gremlin. Customer complaint of running poor and poor acceleration at times, stalled at cruise on highway and no restart. Sat for a couple of days after towed to house, still no start, towed to my...
May 31, 2015