Nov 19, 2011 · Failure Date: 01/19/2012. The 2. 3 liter 4 cylinder l3t engine that is in my wife's 2007 Mazda Cx-7 has a bad variable valve timing actuator which was verified today by dual Mazda of jacksonville florida. A warranty extension was issued by Mazda around the 14th of January 2012 following the initial TSB (technical service bulletin) date 23
Aug 9, 2020 · 2007 Mazda CX 7 engine problems. Unfortunately, most reported 2007 Mazda CX 7 problems have to do with the engine, which requires very high repair costs and might suggest staying away from this vehicle. 2007 Mazda CX 7 engine problems are either related to issues with the engine timing chain, turbo problems, power loss, ticking noise, and others.
Worst 2008 Mazda CX-7 Problems #1: Engine Failure 2008 CX-7 Average Cost to Fix: $5,000 Average Mileage: 107,000 mi. Learn More #2: Turbocharger Failed 2008 CX-7 Average Cost to Fix: $4,500
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.
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mazda cx 7 turbo failure symptoms