2000 Mazda Millenia problems & reliability
19 owner complaints filed with NHTSA for the 2000 Mazda Millenia. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling | 7 | 37% |
| Electrical System | 5 | 26% |
| Equipment | 3 | 16% |
| Fuel System, Gasoline | 3 | 16% |
| Power Train | 3 | 16% |
| Latches/locks/linkages | 2 | 11% |
| Steering | 2 | 11% |
| Structure | 2 | 11% |
| Suspension | 2 | 11% |
| Seats | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 13 reported components →Complaints by incident year
What owners report
“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…”
Latches/locks/linkages · filed Jun 15, 2012
“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…”
Suspension · filed Feb 19, 2007
“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…”
Engine and Engine Cooling · filed May 24, 2006
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
107 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2000 Mazda Millenia. The 10 most recent:
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer’s…
09-038-24 · Service Bulletin/Repair Instructions · issued Aug 8, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24b · Service Bulletin/Repair Instructions · issued Jul 29, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24a · Other · issued Jun 7, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24 · Service Bulletin/Repair Instructions · issued Feb 12, 2024
Speedometer replacement procedure
09-016-23 · Service Bulletin/Repair Instructions · issued Feb 28, 2023
Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the…
02-004-22a · Service Bulletin/Repair Instructions · issued Nov 18, 2022
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer.
09-024-22 · Service Bulletin/Repair Instructions · issued Jul 18, 2022
This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost…
01-006-22 · Service Bulletin/Repair Instructions · issued Jun 22, 2022
Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the…
02-004-22 · Service Bulletin/Repair Instructions · issued May 24, 2022
Accessory instructions can be found on OneMazda under Dealer Resources - Parts & Accessories.
SA-014-22 · Service Bulletin/Repair Instructions · issued Mar 29, 2022
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2000 Mazda Millenia in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2000 Mazda Millenia?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.