Total Complaints
36 filings
MAZDA MILLENIA · model year
36 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2000MAZDAMILLENIA carries 36 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2000 MILLENIA is power train:automatic transmission with 4 filings, followed by engine and engine cooling:engine:gasoline (3) and fuel system, gasoline:fuel injection system (2). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 21 investigation files overlapping the 2000 MILLENIA, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
36 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| POWER TRAIN:AUTOMATIC TRANSMISSION | 4 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 3 |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM | 2 |
| ELECTRICAL SYSTEM:IGNITION | 2 |
| ELECTRICAL SYSTEM:IGNITION:SWITCH | 2 |
| ENGINE AND ENGINE COOLING:ENGINE | 2 |
| ENGINE AND ENGINE COOLING | 2 |
| LATCHES/LOCKS/LINKAGES:DOORS:LATCH | 2 |
| SUSPENSION:FRONT | 1 |
| STEERING:RACK AND PINION | 1 |
| SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER | 1 |
| EQUIPMENT:APPLIANCE:AIR CONDITIONER | 1 |
| UNKNOWN OR OTHER | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 1 |
| STRUCTURE:BODY:DOOR | 1 |
THE FIRST TIME I HAD A PROBLEM WITH THE DOOR LOCKS THE L/R DOOR WOULD NOT OPEN. AFTER SOME TIME I WAS ABLE TO OPEN THE DOOR BY MANUALLY HOLDING THE UNLOCK BUTTON WHILE PULLING ON THE DOOR HANDLE. A FEW MONTHS LATER THE R/R DOOR WOULD NOT UNLOCK. I COULD NOT UNLOCK THE DOOR FROM EITHER INSIDE OR OUTSIDE, THIS MAKES 2 DOORS INOPERABLE. SOME TIME LATER,THE R/F DOOR WON'T UNLOCK OR OPEN FROM OUTSIDE. THE R/F DOOR CAN BE OPENED BY HOLDING UP ON THE UNLOCK BUTTON AND PULLING ON THE INSIDE DOOR HANDLE . THIS MAKES 3 DOORS DOWN, ALSO, DOOR LOCKS MAKE A WHINING NOISE, WHAT A DEATH TRAP. I AM 72 YEARS OLD AND I HAVE NEVER IN MY LIFE SEEN ANYTHING LIKE THIS. I WAS TOLD THAT REPAIR COST WOULD BE ABOUT 350.00 PER DOOR. THANK YOU. *JB
Mileage: 68,400
BEFORE OUR FACTORY WARRANTY WAS UP THE DEALERSHIP FIXED OUR CATALYTIC CONVERTER 3 TIMES. AFTER OUR EXTENDED WARRANTY WAS UP WE IN THE LAST 6 MONTHS HAD TO FIX BOTH UPPER CAMBER ARMS, DRIVER SIDE AXEL, TIRE ROD ENDS ON BOTH SIDES, DRIVER SIDE WHEEL BEARINGS, AND NOW JUST YESTERDAY WE BROKE DOWN. THE BELT PULLEY TENSIONER WENT. THE MAZDA PARTS CO. HAD TOLD ME THAT THEY HAD THIS PART IN STOCK ABOUT 10 MINUTES AGO BUT SOLD IT. THIS IS A $300.00 PART AND THE MAINTNENCE IS ABOUT $500.00 TO HAVE THEM FIX IT. I DON'T UNDERSTAND WHY THERE HASN'T BEEN ANY RECALLS ON THIS VEHICLE. THE TRADE IN VALUE ISN'T EVEN WHAT WE OWE ON THE CAR. WE STILL HAVE 2 1/2 YEARS OF PAYMENTS. THE CAR WAS BURNING SOMETHING BUT THERE WAS NO FIRE. IT WAS THE BELT FALLING OFF WHILE I WAS DRIVING. *NM
Mileage: 91,000
BEFORE OUR FACTORY WARRANTY WAS UP THE DEALERSHIP FIXED OUR CATALYTIC CONVERTER 3 TIMES. AFTER OUR EXTENDED WARRANTY WAS UP WE IN THE LAST 6 MONTHS HAD TO FIX BOTH UPPER CAMBER ARMS, DRIVER SIDE AXEL, TIRE ROD ENDS ON BOTH SIDES, DRIVER SIDE WHEEL BEARINGS, AND NOW JUST YESTERDAY WE BROKE DOWN. THE BELT PULLEY TENSIONER WENT. THE MAZDA PARTS CO. HAD TOLD ME THAT THEY HAD THIS PART IN STOCK ABOUT 10 MINUTES AGO BUT SOLD IT. THIS IS A $300.00 PART AND THE MAINTNENCE IS ABOUT $500.00 TO HAVE THEM FIX IT. I DON'T UNDERSTAND WHY THERE HASN'T BEEN ANY RECALLS ON THIS VEHICLE. THE TRADE IN VALUE ISN'T EVEN WHAT WE OWE ON THE CAR. WE STILL HAVE 2 1/2 YEARS OF PAYMENTS. THE CAR WAS BURNING SOMETHING BUT THERE WAS NO FIRE. IT WAS THE BELT FALLING OFF WHILE I WAS DRIVING. *NM
Mileage: 91,000
BEFORE OUR FACTORY WARRANTY WAS UP THE DEALERSHIP FIXED OUR CATALYTIC CONVERTER 3 TIMES. AFTER OUR EXTENDED WARRANTY WAS UP WE IN THE LAST 6 MONTHS HAD TO FIX BOTH UPPER CAMBER ARMS, DRIVER SIDE AXEL, TIRE ROD ENDS ON BOTH SIDES, DRIVER SIDE WHEEL BEARINGS, AND NOW JUST YESTERDAY WE BROKE DOWN. THE BELT PULLEY TENSIONER WENT. THE MAZDA PARTS CO. HAD TOLD ME THAT THEY HAD THIS PART IN STOCK ABOUT 10 MINUTES AGO BUT SOLD IT. THIS IS A $300.00 PART AND THE MAINTNENCE IS ABOUT $500.00 TO HAVE THEM FIX IT. I DON'T UNDERSTAND WHY THERE HASN'T BEEN ANY RECALLS ON THIS VEHICLE. THE TRADE IN VALUE ISN'T EVEN WHAT WE OWE ON THE CAR. WE STILL HAVE 2 1/2 YEARS OF PAYMENTS. THE CAR WAS BURNING SOMETHING BUT THERE WAS NO FIRE. IT WAS THE BELT FALLING OFF WHILE I WAS DRIVING. *NM
Mileage: 91,000
BEFORE OUR FACTORY WARRANTY WAS UP THE DEALERSHIP FIXED OUR CATALYTIC CONVERTER 3 TIMES. AFTER OUR EXTENDED WARRANTY WAS UP WE IN THE LAST 6 MONTHS HAD TO FIX BOTH UPPER CAMBER ARMS, DRIVER SIDE AXEL, TIRE ROD ENDS ON BOTH SIDES, DRIVER SIDE WHEEL BEARINGS, AND NOW JUST YESTERDAY WE BROKE DOWN. THE BELT PULLEY TENSIONER WENT. THE MAZDA PARTS CO. HAD TOLD ME THAT THEY HAD THIS PART IN STOCK ABOUT 10 MINUTES AGO BUT SOLD IT. THIS IS A $300.00 PART AND THE MAINTNENCE IS ABOUT $500.00 TO HAVE THEM FIX IT. I DON'T UNDERSTAND WHY THERE HASN'T BEEN ANY RECALLS ON THIS VEHICLE. THE TRADE IN VALUE ISN'T EVEN WHAT WE OWE ON THE CAR. WE STILL HAVE 2 1/2 YEARS OF PAYMENTS. THE CAR WAS BURNING SOMETHING BUT THERE WAS NO FIRE. IT WAS THE BELT FALLING OFF WHILE I WAS DRIVING. *NM
Mileage: 91,000
BEFORE OUR FACTORY WARRANTY WAS UP THE DEALERSHIP FIXED OUR CATALYTIC CONVERTER 3 TIMES. AFTER OUR EXTENDED WARRANTY WAS UP WE IN THE LAST 6 MONTHS HAD TO FIX BOTH UPPER CAMBER ARMS, DRIVER SIDE AXEL, TIRE ROD ENDS ON BOTH SIDES, DRIVER SIDE WHEEL BEARINGS, AND NOW JUST YESTERDAY WE BROKE DOWN. THE BELT PULLEY TENSIONER WENT. THE MAZDA PARTS CO. HAD TOLD ME THAT THEY HAD THIS PART IN STOCK ABOUT 10 MINUTES AGO BUT SOLD IT. THIS IS A $300.00 PART AND THE MAINTNENCE IS ABOUT $500.00 TO HAVE THEM FIX IT. I DON'T UNDERSTAND WHY THERE HASN'T BEEN ANY RECALLS ON THIS VEHICLE. THE TRADE IN VALUE ISN'T EVEN WHAT WE OWE ON THE CAR. WE STILL HAVE 2 1/2 YEARS OF PAYMENTS. THE CAR WAS BURNING SOMETHING BUT THERE WAS NO FIRE. IT WAS THE BELT FALLING OFF WHILE I WAS DRIVING. *NM
Mileage: 91,000
THE IGNITION COILS IN MY CAR ARE GOING BAD. ONE RIGHT AFTER THE OTHER. MAZDA TOLD ME THAT THE HEAT OF THE ENGINE (MILLER CYCLE) IS CAUSING THIS. I THINK THE ENGINE WAS POORLY DESIGNED. THERE ARE 6 COILS & I HAVE REPLACED 3 SO FAR, 1 IN 12/04 & 2 IN 4/06 ALONG WITH ALL THE PLUGS. THIS PROBLEM STARTED IN 2002 WHEN CYLINDER #4 WAS MISFIRING. MAZDA REPLACED THE SPARK PLUG. THE COIL IN CYLINDER #4 WAS THE FIRST COIL TO GO BAD. THE ORIGINAL PLUGS WERE CHAMPION. I WAS TOLD THESE WERE THE WRONG PLUGS ESPECIALLY FOR THIS TYPE OF HIGH PERFORMANCE ENGINE. MAZDA SAID TO EXPECT TO REPLACE THE OTHER 3 COILS. & THEN WHAT? DO WE START OVER AGAIN? MY CAR ONLY HAS 32,000 MILES ON IT. BOTH CATALYTIC CONVERTERS HAVE BEEN REPLACED. I THINK MAZDA SHOULD DO SOMETHING TO CORRECT THE DESIGN OF THIS ENGINE TO ALLOW THE COILS MORE AIR. *JB
Mileage: 18
DT*: THE CONTACT STATED THE PASSENGER SIDE DOOR ACTUATOR BROKE AND THE DOOR WILL NOT OPEN FROM THE INSIDE. TO EXIT THE VEHICLE, THE PASSENGER MUST EXIT FROM THE DRIVER'S SIDE. THE LOCAL DEALERSHIP WAS CONTACTED AND OFFERED TO REPAIR THE ACTUATOR. THE PRICE WAS $400.00 PER DOOR. THE CONTACT REPAIRED THE DOOR AT THE COST OF 220.00 NOW, THE REAR DOOR WAS MAKING THE SAME NOISE MADE BY THE FRONT DOOR, INDICATING THE DOOR IS READY TO FAIL. THE REPAIR IS EXPENSIVE AND UNPREDICTABLE. THE ACTUATORS COULD FAIL AT ANY TIME AND LOCK ONE IN THE VEHICLE. THE CONTACT FELT IT WAS DANGEROUS AND UNSAFE.*AK
Mileage: 102,000
LAST YEAR MY CAR STARTED TO EMIT GAS FUMES AS SOON AS I STARTED TO DRIVE IT. AFTER DRIVING FOR A FEW MINUTES THE SMELL WENT AWAY. I HAVE TAKEN IT TO THE DEALER MANY TIMES. EACH TIME THEY TOLD ME IT WAS A SENSOR WHICH COST ME THREE- FOUR HUNDRED DOLLARS. HOWEVER THE PROBLEM HAS NEVER STOPPED. *JB
CONSUMER EXPERIENCED MULTIPLE PROBLEMS WITH THIS VEHICLE AND DEALER WAS AWARE OF THEM. WHILE DRIVING THE HOOD UNEXPECTEDLY OPENED. THIS CAUSED THE WINDSHIELD TO SHATTER. CONSUMER WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE, AND PULLED OVER. WHILE SHIFTING CONSUMER NOTICED THAT THE GEARS ENGAGED SLOWLY, THEN HESITATED. THEN, A WINDING SQUEAKING NOISE WA HEARD COMING FROM THE TRANSMISSION, AND TRANSMISSION LIGHT APPEARED ON THE DASHBOARD AND REMAINED ON. WHILE APPLYING THE BRAKES AT ANY SPEED BRAKE PEDAL WENT TO THE FLOOR. ABS BRAKING LIGHT APPEARED, AS WELL. CONSUMER TOOK VEHICLE TO DEALER MORE THAN ONE OCCASION, BUT PROBLEM RECURRED. *AK
CONSUMER EXPERIENCED MULTIPLE PROBLEMS WITH THIS VEHICLE AND DEALER WAS AWARE OF THEM. WHILE DRIVING THE HOOD UNEXPECTEDLY OPENED. THIS CAUSED THE WINDSHIELD TO SHATTER. CONSUMER WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE, AND PULLED OVER. WHILE SHIFTING CONSUMER NOTICED THAT THE GEARS ENGAGED SLOWLY, THEN HESITATED. THEN, A WINDING SQUEAKING NOISE WA HEARD COMING FROM THE TRANSMISSION, AND TRANSMISSION LIGHT APPEARED ON THE DASHBOARD AND REMAINED ON. WHILE APPLYING THE BRAKES AT ANY SPEED BRAKE PEDAL WENT TO THE FLOOR. ABS BRAKING LIGHT APPEARED, AS WELL. CONSUMER TOOK VEHICLE TO DEALER MORE THAN ONE OCCASION, BUT PROBLEM RECURRED. *AK
CONSUMER EXPERIENCED MULTIPLE PROBLEMS WITH THIS VEHICLE AND DEALER WAS AWARE OF THEM. WHILE DRIVING THE HOOD UNEXPECTEDLY OPENED. THIS CAUSED THE WINDSHIELD TO SHATTER. CONSUMER WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE, AND PULLED OVER. WHILE SHIFTING CONSUMER NOTICED THAT THE GEARS ENGAGED SLOWLY, THEN HESITATED. THEN, A WINDING SQUEAKING NOISE WA HEARD COMING FROM THE TRANSMISSION, AND TRANSMISSION LIGHT APPEARED ON THE DASHBOARD AND REMAINED ON. WHILE APPLYING THE BRAKES AT ANY SPEED BRAKE PEDAL WENT TO THE FLOOR. ABS BRAKING LIGHT APPEARED, AS WELL. CONSUMER TOOK VEHICLE TO DEALER MORE THAN ONE OCCASION, BUT PROBLEM RECURRED. *AK
I OWN A 2000 MAZDA MILLENIA S MODEL. MY MILLENIA HAS THE LYSHOLM SUPERCHARGER (S/C). RECENTLY, THE CAR HAS BEGUN TO BLOW BLUE SMOKE OUT THE EXHAUST PIPE AT STARTUP. THE SMOKE AT STARTUP LAST FOR ABOUT 15-30 SECONDS. I TOOK THE CAR INTO THE LOCAL MAZDA DEALER. THE MAZDA MECHANIC REMOVED THE FRONT INTERCOOLER AND FRONT INTERCOOLER PIPE. THE MECHANIC SAID THERE WAS OIL IN THE INTERCOOLER AND THE INTERCOOLER PIPE. HE SAID THIS INDICATES THE LYSHOLM S/C IS LEAKING. HE SAID THE LYSHOLM S/C HAS A BAD SEAL. YET, HE SAID HE HAS NEVER TAKEN A LYSHOLM S/C APART AND DOES NOT KNOW WHICH SEAL IS LEAKING. HE SAID MAZDA JUST REPLACES THE ENTIRE LYSHOLM S/C. A NEW LYSHOLM S/C IS APPROX. $7000 CAD. MY CAR HAS THE 5 YR /100,000KM (62,500 MILES)POWER TRAIN WARRANTY. THE POWER TRAIN WARRANTY STATES IT COVERS "..ALL INTERNAL PARTS"...AND "..ALL GASKETS AND SEALS..". THE SEAL FAILED INSIDE THE S/C, THEREFORE I BELIEVE THE S/C SEAL AND ITS REPLACEMENT SHOULD BE COVERED UNDER THE POWER TRAIN WA
Mileage: 62,000
I PURCHASED A 2000 MILLENIA MILLENIA MODEL THAT ONLY HAS 39,000 MILES ON IT. IN OCTOBER, 2003 MY CAR MIS-FIRED AND THE CHECK ENGINE LIGHT CAME ON. THE DIAGNOSIS WAS THAT THE IGNITION COIL FOR CYLINDER #2 WAS BAD AND NEEDED REPLACING. AT THAT TIME, MAZDA CUSTOMER SERVICE PAID FOR THE PART AND I PAID FOR THE LABOR. A FEW DAYS AGO (SIX MONTHS LATER), AN IDENTICAL SITUATION OCCURRED AND THE DIAGNOSIS WAS THAT THE IGNITION COIL FOR CYLINDER # 6 WAS BAD AND NEEDED REPLACING. THE DEALERSHIP CALLED MAZDA INQUIRING ABOUT RESTITUTION, BUT THIS TIME, THE COMPANY PAID FOR NOTHING. I AM VERY CONCERNED ABOUT TWO THINGS. FIRST, WHAT IS THE DEFECT IN MY VEHICLE TO PRECIPITATE THE FAILURE OF TWO IGNITION COILS IN CLOSE SUCCESSION? IS THIS AN ENGINEERING DEFECT? FURTHER, AM I GOING TO HAVE TO GO THROUGH THIS PROCESS FOR ALL 6 CYLINDERS OF MY CAR ENGINE? RIGHT NOW, I FEEL THAT I CANNOT TRUST MY CAR FOR FEAR OF A REPEAT OCCURRENCE WITH ONE OR MORE OF THE OTHER CYLINDERS. SECOND, IF I HAVE
Mileage: 39,400
WHILE VEHICLE WAS PARKED REAR WINDOW SIMPLY EXPLODED OUTWARD. ALSO, MOTORS FOR THE TWO FRONT DOORS STOPPED WORKING PROPERLY. NEXT, THE HORN AND THE ALARM SYSTEM STOPPED FUNCTIONING AS WELL. *AK VEHICLE'S WARRANTY NOW EXPIRED, AND MAZDA WON'T ACKNOWLEDGE PROBLEM. *LA
Mileage: 15,000
WHILE VEHICLE WAS PARKED REAR WINDOW SIMPLY EXPLODED OUTWARD. ALSO, MOTORS FOR THE TWO FRONT DOORS STOPPED WORKING PROPERLY. NEXT, THE HORN AND THE ALARM SYSTEM STOPPED FUNCTIONING AS WELL. *AK VEHICLE'S WARRANTY NOW EXPIRED, AND MAZDA WON'T ACKNOWLEDGE PROBLEM. *LA
Mileage: 15,000
WHILE VEHICLE WAS PARKED REAR WINDOW SIMPLY EXPLODED OUTWARD. ALSO, MOTORS FOR THE TWO FRONT DOORS STOPPED WORKING PROPERLY. NEXT, THE HORN AND THE ALARM SYSTEM STOPPED FUNCTIONING AS WELL. *AK VEHICLE'S WARRANTY NOW EXPIRED, AND MAZDA WON'T ACKNOWLEDGE PROBLEM. *LA
Mileage: 15,000
WHILE VEHICLE WAS PARKED REAR WINDOW SIMPLY EXPLODED OUTWARD. ALSO, MOTORS FOR THE TWO FRONT DOORS STOPPED WORKING PROPERLY. NEXT, THE HORN AND THE ALARM SYSTEM STOPPED FUNCTIONING AS WELL. *AK VEHICLE'S WARRANTY NOW EXPIRED, AND MAZDA WON'T ACKNOWLEDGE PROBLEM. *LA
Mileage: 15,000
WHEN STARTING THE VEHICLE AT A COLD START, AFTER THE ENGINE WAS COOLED, WHITE SMOKE EMITTED FROM THE TAIL PIPE. *AK *SCC *JB
WHEN STARTING THE VEHICLE AT A COLD START, AFTER THE ENGINE WAS COOLED, WHITE SMOKE EMITTED FROM THE TAIL PIPE. *AK *SCC *JB
Momentary increase in steering effort after recall remedy
Inadvertent Curtain Air Bag Deployment
Front Subframe Corrosion
Lower ball joint separation
Brake Booster Failure
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.