P0234 Turbocharger Overboost Code: Causes, Diagnosis & Fix
The P0234 Turbocharger Overboost Code is your engine control module telling you the turbo is producing more boost pressure than the system is programmed to allow.…
Read the guide →
P0299 Turbocharger Underboost Code: Complete Diagnosis Guide for Diesel Trucks
The P0299 Turbocharger Underboost Code is one of the most common and most misunderstood fault codes we see roll through the shop, and if you drive…
Read the guide →
How to Diagnose a P0299 Underboost Code on a Diesel Truck
P0299 is one of the most common diesel OBD codes — and the turbocharger is rarely the first thing to blame. Here's a systematic diagnosis approach…
Read the guide →
5 Most Common Causes of Turbocharger Failure in Diesel Trucks
Most turbocharger failures are preventable. Learn the five root causes responsible for the majority of diesel turbo failures and what you can do to avoid them.
Read the guide →
What Causes Black Smoke from a Diesel Engine? Diagnosis Guide
Black smoke from a diesel exhaust almost always means incomplete combustion. The turbocharger is often involved. Here is how to diagnose the cause systematically.
Read the guide →
Signs Your VW or Audi 1.9 TDI Turbo Is Failing (And What To Do)
If you’re running a 1.9 TDI making 105 HP, you already know that little Garrett variable-geometry turbo is the heart of the engine. When it starts…
Read the guide →
7 Warning Signs Your Turbocharger Is Failing (And What To Do About It)
Learn the 7 most common signs of turbocharger failure from the experts at PT Turbo — in business since 1978. Catch problems early and avoid costly…
Read the guide →