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P0299 Diagnostic Trouble Code Discussion for August 2009

Turbocharger Engine Underboost


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Trouble Ticket Help Requests for DTC P0299
Help Request Posted
2005 GMC Sierra 2500 HD SLE 6.6L Hesitation, MIL Lamp on VIN: 1GTHK23255
P0299: Turbocharger Engine Underboost. ... low power on acceleration and heavy black smoke. I connected the Tech 2 and retrieved codes P0101, P0299, P0401, and P0404. I inspected the air intake system for any leaks or loose clamps. Took truck for a drive and had very low power with boost sensor rea...
August 01, 2009
2003 Ford F-350 Super Duty XL 6.0L insufficient power VIN: 1FDWF36P43
P0299: Turbo/Supercharger Under-Boost. I'm working on a 6.0 diesel that the complaint is that it has a hard passing people on the freeway. This is a fleet vehicle that I service regularly and we have been trying to address this issue for a month now. Basically it boosts but not as much as it should...
August 10, 2009
2003 Ford F-350 Super Duty XL 6.0L insufficient power VIN: 1FDWF36P43
P0299: Turbo/Supercharger Under-Boost. I'm working on a 6.0 diesel that the complaint is that it has a hard passing people on the freeway. This is a fleet vehicle that I service regularly and we have been trying to address this issue for a month now. Basically it boosts but not as much as it should...
August 11, 2009
2004 Volkswagen Passat GLS 2.0L smoke low powew VIN: WVWPE63B24
P0299: Low Boost. Looking for some direction. My Ross Tech Cable broke and am awaiting a replacement but want a little info before I start on this one. 04 2.0 TDI runs good for 20 miles then has heavy black smoke and low power, Saw the old egr and it was stuck open but it was r...
August 18, 2009