1990 Mazda 626 problems & reliability
44 owner complaints filed with NHTSA for the 1990 Mazda 626. 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.
1 complaint report injuries (1 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Seat Belts → | 13 | 30% |
| Engine and Engine Cooling | 8 | 18% |
| Structure | 5 | 11% |
| Electrical System | 4 | 9% |
| Latches/locks/linkages | 4 | 9% |
| Power Train | 4 | 9% |
| Visibility | 4 | 9% |
| Service Brakes, Hydraulic | 3 | 7% |
| Vehicle Speed Control | 2 | 5% |
| Equipment | 1 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“I was driving around a 25 mph corner when my back end started sliding,I tried to correct it by turning steering wheel to the oppisite direction,but it just kept sliding and I ended up crashing into an embankment.about a year later my husband was rounding same corner and the same thing happened to him.we both were…”
Suspension · filed Sep 2, 2005
“I bought a 1990 mazda 626 about a year ago. It has an atx. Recently the car would only drive in one gear. I took it to a buddy of mine that owns a transmission shop. He ran a diagnostic and said the car needed a new vehicle speed sensor and probably a new transmission. I purchased a new speed sensor that goes behind…”
Power Train · filed Dec 18, 2004
“The front passenger door handle/lock was defective. This caused the door to open (even if lock) when the passenger rolled the window down. This problem was repaired once under recall (93v-174000). Mazda stated that since they repaired it once they are not legally obligated to repair it again. *ts *nlm”
Structure · filed Jan 30, 2003
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- INADVERTENT DOOR OPENING
Engineering Analysis EA92031 · opened Sep 25, 1992 · closed Nov 30, 1993 · led to recall 93V174000
- THROTTLE STICKING
Preliminary Evaluation PE91088 · opened Jun 18, 1991 · closed Oct 21, 1991
Technical service bulletins
14 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1990 Mazda 626. The 10 most recent:
In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be…
00-003-19-3583 · Service Bulletin/Repair Instructions · issued Mar 20, 2019
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…
09-009-19-3566 · Service Bulletin/Repair Instructions · issued Jan 14, 2019
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…
09-034-18-3430a · Service Bulletin/Repair Instructions · issued Oct 10, 2018
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…
09-034-18-3430 · Service Bulletin/Repair Instructions · issued Aug 31, 2018
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…
09-035-17-3080 · Service Bulletin/Repair Instructions · issued Aug 7, 2017
Speedometer replacement procedure
0900716 · Service Bulletin/Repair Instructions · issued Feb 17, 2016
In accordance with federal regulations, follow the procedure listed below when replacing a speedometer.note: mazda vehicles are manufactured with tamper-proof speedometers. When a speedometer is replaced, the new…
09-034-14-2956 · Service Bulletin/Repair Instructions · issued Aug 15, 2014
Battery test procedure requirements. *tt
0102504 · Service Bulletin/Repair Instructions · issued Jul 21, 2004
Speedometer replacement procedure. *tt
0902604 · Service Bulletin/Repair Instructions · issued Jul 1, 2004
Pre-painting preparations for front and rear bumpers. *yc
97102302097 · Service Bulletin/Repair Instructions · issued Oct 23, 1997
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 1990 Mazda 626 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 1990 Mazda 626?
- · 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.