NHTSA Complaint #10301715 — 2007 MAZDA CX-7

MY WIFE WAS DRIVING OUR 2007 CX-7 WITH APPROXIMATELY 28K MILES ALONG A FOUR LANE MAJOR ROAD WHEN CAR LOST POWER AND BECAME BASICALLY UNDRIVEABLE. LEAVING HER SITTING ON A EXTREMELY BUSY SECTION OF ROAD WITH MY 2 YEAR OLD SON IN THE BACK SEAT AS PEOPLE ARE FLYING OFF AN ENTRANCE RAMP FROM ABERDEEN PROVING GROUND. SHE FOUGHT IT TO THE SHOULDER OF US ROUTE 40 NORTH OF BALTIMORE, LEAVING HER IN A VERY DANGEROUS SITUATION. MAZDA DEALERSHIP WHERE VEHICLE WAS PURCHASED WAS LESS THAN A HALF MILE FROM FAILURE LOCATION AND AFTER TRAFFIC HAD DIED DOWN I WAS ABLE TO LIMP VEHICLE TO DEALER WITH WIFE FOLLOWING ME AT 10 MPH. TURBOCHARGER FAILURE HAS BEEN BLAMED, AS USUAL MAZDA HAS DENIED WARRANTY WORK DUE TO ENGINE SLUDGE, EVEN THOUGH VEHICLE HAS BEEN MAINTAINED. AFTER THOROUGH RESEARCH FOR THE LAST MONTH, WHILE MY VEHICLE HAS SAT AT THE DEALERSHIP, VIA MANY WEBSITES EDMUNDS FORUM, MYCX7.COM, MAZDAS247.COM ETC. MAZDA IS CLAIMING SAME ENGINE SLUDGE IS CAUSE OF FAILURE OF NUMEROUS TIMING CHAINS, TURBOS, VVT ACTUATORS ETC. EVEN ON VEHICLES THAT HAVE BEEN MAINTAINED BY THEIR DEALERSHIPS. THERE HAS BEEN A TECHNICAL SERVICE BULLETIN RELEASED BY MAZDA (TSB# MTOL - 5505) THAT STATED THE FLAWED DESIGN OF THEIR PCV SYSTEM NOT ALLOWING OIL TO DRAIN PROPERLY FROM THE TURBOCHARGER. NO FIX HAS BEEN MADE AVAILABLE WITH RECENT INFORMATION I HAVE READ IN REGARDS TO THE FLAWED PCV NOT CIRCULATING THE OIL. HOPE SOMEONE CAN BRING THIS FLAWED DESIGN ENGINE TO LIGHT BEFORE SOMEONE OR A FAMILY IS KILLED IN A MAJOR ACCIDENT WHERE THEIR CAR LEAVES THEM STRANDED IN THE MIDDLE OF A HIGHWAY LIKE I-95. THANKS FOR THE TIME IN LOOKING INTO THIS MATTER. *TR