× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0299 Diagnostic Trouble Code Discussion for February 2012

Turbocharger Engine Underboost

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0299
Help Request Posted
2006 Ford F-350 Super Duty XLT 6.0L Cuts out, Poor Fuel Economy, MIL Lamp on
P0299: Turbo/Supercharger Under-Boost. First off thank you for all that reply to this cause I'm almost out of hair to pull out. He is the story, this all started with a slight misfire under load that was worse cold than hot. I replaced the injector seals cause we found o-rings that were pitted on t...
February 11, 2012
2005 Jeep Liberty Sport 2.8L low power VIN: 1J4GL485X5
P0299: Turbocharger Underboost Condition. ... filter tight retested. Now codes p0401 p0299 return It seems to have a little more power but is still sluggish. I didn't see any loose intake hoses or anything obvious. I performed a drb compression test which looks ok I think within 5+or-. Should I persue...
February 20, 2012
2006 Ford F-350 Super Duty XLT 6.0L Surge, Cuts out VIN: 1FTWW31P56
P0299: Turbo/Supercharger Under-Boost. Hello all, this is my personal vehicle. Over the last 2 weeks this truck started surging and sharp misfiring at cruise speeds ABOVE 55 mph. Around town and from a start it is fine, accelerating normally. I have scanned it and ICP is normal when it acts up. No ...
February 28, 2012