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Archive Month: August 2026

AIR FLOW CHALLENGES with Turbocharged Diesel Engines

AIR FLOW CHALLENGES with Turbocharged Diesel Engines

August 17, 2026

Troubleshooting intake air flow issues prompting PO299 Turbocharger Underboost code can be a challenge. Having a thorough knowledge of how the system functions is imperative in making an accurate diagnosis. Dodge Turbo Diesel Code PO299 Turbocharger Underboost Intake air flow is monitored by the Powertrain Control Module (PCM) and controls the variable geometry turbocharger position […]

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