Jul 12, 2020 · P0299 Turbo Underboost Issue Jump to Latest 132K views 35 replies 17 participants last post by roadrunner420 Aug 5, 2025 H

Oct 19, 2003 · If you get a CEL / Emissions Workshop message, have the code read and it comes back with P0299 turbocharger underboost - please post what you did to resolve the problem to this thread. …

Jun 7, 2021 · Just a heads up on the p0299 issue, if your vehicle is under 120k miles chevy has an extended special coverage of the OEM Turbo. I just got mine replaced for free. Unfortunately the …

Jun 25, 2023 · Code # P0299 (#3) An unlucky number of gm owners with this 4-cylinder engine (and possibly any small engine with a turbo) appear to have turbo issues I do not know the failure rate, it …

Aug 31, 2020 · If your pressure washing the engine and getting that P0299 (turbo under boost) code, check the MAP sensor. I doubt the engine is restricted too much as they’re usually not much gained …

Feb 25, 2020 · I couldn't find where this issue has been addressed of late, so... We have been on the road, towing a 10K 5th wheel, with our 2019 3500 Ram 6.7L Turbo Diesel approximately 6,000 miles …

Jan 26, 2010 · Underboost P0299 1556 Issue and Resolution There are a lot of threads indicating problems with underboost, but not many with resolutions. Mine is a 03 Jetta. The symptoms were the …

Jun 5, 2023 · My engine light came on again and it says P0299, I already replaced all the vacuum lines, and the N75 valve. Can anyone tell me where to start? Here’s a picture of around the egr valve …

Jun 4, 2025 · Said P0299 and the likely solution was the Turbocharger By-Pass Valve. Usually there’s a picture printed on what you need to get but there wasn’t this time and they didn’t have any in stock.

Aug 2, 2022 · 2016 chevy trax turbo recall check engine light p0299 recall turbo turbo underboost Jump to Latest 47K views 54 replies 29 participants last post by 1946jan Apr 22, 2025 MysticMoonflower …