Problems · by component

2000 Mazda 6 Series power train problems

159 owner complaints to NHTSA about the 2000 Mazda 6 Series cite power train, 73% of all 217 complaints for this model year.

Complaints
159
73% of all complaints
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
3
Reported by owners
01 —Owner reports

What owners say about the power train

Verbatim from NHTSA complaints, newest first
“WHILE COMMUTING, THE CAR STOPPED SHIFTING. TOOK IT TO MECHANIC--THEY FIXED A LEAK IN THE TRANSMISSION FLUID-- CAR WAS THEN SHIFTING HARD, TOOK TO TRANSMISSION SHOP--THEY DIAGNOSED TWO PROBLEMS THAT CAUSED THE LEAK. THE TRANSMISSION IS NOT EFFECTIVELY PUSHING THE FLUID THROUGH THE SYSTEM, AND WAS VERY DANGEROUS ON THE ROAD WHEN IT STOPPED SHIFTING. *TR”
Owner complaint to NHTSAFiled Nov 12, 2014Power train, EngineODI 10654622
“DRIVING IN THE HIGHWAY BUT ABRUPTLY IT SLOWED DOWN AND CAN'T SPEED UP WHILE I WAS IN THE TRAFFIC, IT WAS ALMOST BUMPED TO STOP, TERRIFYING TRUCKS WERE CHASING BEHIND ME. THIS IS A TRANSMISSION FAILURE. TERRIBLE, AND A BIG SAFETY ISSUE TOO. *TR”
Owner complaint to NHTSAFiled Aug 12, 2013Power train, Vehicle speed controlODI 10534968
“PURCHASED USED MAZDA 262, YEAR 2000, THAT HAPPENED TO HAVE ORIGINAL KNOWN-FAULTY CD4E. CAR NOW INOPERABLE AFTER LESS THAN A THOUSAND MILES AFTER LEAVING THE LOT. OCCASIONAL ACCEPTABLE OPERATION, INTERSPERSED WITH TRANSMISSION SLIPPING/LOSING GEAR/NO POWER, NEARLY CAUSED A REAR-END ACCIDENT GOING UPHILL ON FREEWAY. *TR”
Owner complaint to NHTSAFiled Jul 18, 2013Power train, EngineODI 10525521
“TRANSMISSION OVERHEATED ON THE FREEWAY, BLEW OUT TEMPERATURE GAUGE AND NO LONGER SHIFTED AFTER THAT. SPEED SENSOR STOPPED WORKING. HAD TO GET REBUILT TRANSMISSION AND TRANSMISSION COOLER AND SEVERAL OTHER PARTS REPLACED. THE REPAIR ONLY LASTED 6 MONTHS BEFORE THE TRANSMISSION WENT OUT AGAIN. IT JUST SLIPPED GEARS AND STOPPED SHIFTING IN THE MIDDLE OF THE ROAD. *TR”
Owner complaint to NHTSAFiled Jun 23, 2013Power train, Vehicle speed controlODI 10521239
“I HAVE A CONCERN WITH THE TRANSMISSION'S ON THE MAZDA 626 TRANSMISSION STYLE CD4E. THERE ARE THOUSANDS OF PEOPLE (INTERNET SEARCHED) WHO HAVE THESE VEHICLES AND HAVE BEEN PLACED IN DIRE STRAITS AS I AM. I WAS TRAVELING DOWN THE FREEWAY AT 65 MPH AND FROM OUT OF NOWHERE, MY OD STOPPED FUNCTIONING AND LEFT THE CAR'S TRANNY SLIPPING OUT OF 4TH GEAR SEARCHING FOR A LOWER GEAR AS IT THREW THE FLASHING "OD LIGHT OFF" INDICATOR LIGHT. I HAD A WOMAN SWERVE BEHIND ME AS I HAD TOTAL LOSS OF POWER AND TRYING TO GET MY CAR TO GRASP ANY GEAR. ONCE I PULLED TO THE SIDE OF THE ROAD AND STOPPED, THE OD LIGHT STOPPED FLASHING AND MY VEHICLE WAS LEFT IN A "LIMP HOME" MODE WHERE I COULD NOT GET OVER 45MPH. I HAD THE TRANNY REBUILT TO THE TUNE OF 1500.00 AND GUESS WHAT? I GOT INTO THE CAR TO DO HIGHWAY TRAVEL ONE WEEK LATER, AND IT HAPPENED AGAIN. I HAVE READ THAT I AM BY FAR THE ONLY PERSON THIS HAS HAPPENED TO. THIS IS A 2000 MODEL. MY BROTHER BOUGHT IT IN 2002. HE HAS MAINTAINED THE VEHICLE FOR THE LAST 7.5 YEARS AND I HAVE HAD IT FOR 6 MONTHS NOW. THE MILES ARE 76K, ONLY! SOMEONE NEEDS TO HAVE MAZDA FIX THIS ISSUE. THIS IS REDICULOUS AND THIE IS BY FAR A MAJOR SAFETY CONCERN.…”
Owner complaint to NHTSAFiled Apr 1, 2010Power trainODI 10323333
“WE HAVE MAZDA 626 4CYL, 2000 YR., AUTOMATIC TRANSMISSION. THE TRANSMISSION IN OUR MAZDA ALWAYS HESITATES TO SHIFT UP AND REVS UP TO VERY HIGH RPMS EVENTHOUGH THE ACCELERATION IS GRADUAL. THERE IS ALSO QUITE A BIT OF NOISE IN THE CAR COMING FROM ENGINE WHEN I AM MERGING ON A FREEWAY. THE TRANSMISSION SEEMS TO BE STUCK IN A LOWER GEAR. THE TRANSMISSION WAS REPLACED BY THE DEALER IN 2002. HOWEVER, THE SAME PROBLEM REMAINS TO THIS DAY. SOMETIMES, WHEN THE CAR IS COLD, JUST WHEN YOU START IT IN THE MORNING, FOR EXAMPLE, THE CAR ACCELERATES SUDDENLY AND I ALMOST HIT MY OTHER CAR IN A GARAGE. *TR”
Owner complaint to NHTSAFiled Mar 16, 2010Power trainODI 10320160

Showing 6 of 159 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.