A lack of power may develop due to a failed turbocharger. Failed turbochargers will require replacement to restore engine power. 313 people reported this problem 133 comments Mazda CX-7 Vehicles With This Problem 6 model years affected 2007, 2008, 2009, 2010, view all Average mileage: 92,834 (15,500–177,000) There appear to be 2 major reasons for turbocharger failure and Mazda CX-7 issues. The 2.3L petrol has 1) has known issues with the VVT actuator and 2) the motor runs hot. Both contribute to turbocharger issues and can cause complete engine failure. The VVT actuator uses oil pressure to change camshaft positions in the engine. May 23, 2022 · Top Mazda CX-7 Problems. Failure Turbocharger. The turbocharger in the Mazda CX-7 is widely known to be prone to failure, resulting in a lack of power and acceleration. In addition to the lack of acceleration and power, another symptom of a failed turbo is white smoke coming from the exhaust. Dec 19, 2018 · EGR valve failures causing the code P0401 were common in the Mazda CX-7 vehicles with a 2.3L turbo engine. In many Mazda/Ford 4-cylinder engines, the code P0401 can be caused by a sticking EGR valve. The EGR valve must be replaced to repair the problem. Not all EGR problems are caused by a failed EGR valve. Aug 29, 2022 · A faulty fuel pump can affect the turbocharger of the Mazda CX-5 in several ways. First, it can cause the engine to run lean, which can damage the turbocharger. Second, it can cause the engine to misfire, which can also put more stress on the turbocharger. Finally, it can cause the engine to overheat, which can lead to engine failure and damage 5kB4fG.

mazda cx 7 turbo failure symptoms