This bulletin applies to 2012-2013 Mazda3 (with Skyactiv 2.0L), 2013-2014 CX-5, 2014 Mazda3 vehicles built before Dec. 1, 2013. Some vehicles may experience the check engine light on with DTC P0191:00 (fuel pressure sensor circuit range/performance problem, except 2014 Mazda3) or P0088:00 (fuel pressure sensor circuit range/performance problem on the 2014 Mazda3) stored in memory.
Replace the high-pressure fuel pump with a modified one.
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Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.