2002 Mazda 626 Problems: 1 Known Issue
2002 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2002 Mazda 626 has 1 documented issue, with 1 rated critical. The most serious is CD4E Automatic Transmission Failure ($200-$2,500 repair). Across all issues with published estimates, repair costs range from $200 to $2,500. DIY maintenance guides at au7o.io.
2002 · All trims · All engines
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All 1 Known Issue
NHTSA Recalls7 recalls
FUEL SYSTEM, GASOLINE
CERTAIN SPX FILTRAN FUEL FILTERS WITH A 45-DEGREE ANGLE INLET TUBE, MODEL 800F350-S1, SOLD AS REPLACEMENT FILTERS FOR 1993-1997 FORD PROBE,1993-2001 MAZDA 626 AND MX-6, AND 1983-1994 LOYAL, 3-DOOR COUPE, HATCHBACK, SEDAN, WAGON, BRAT, DL, GL, GL-10, RX, XT, AND XT6 PASSENGER VEHICLES WITH EFI OR TURBO ENGINES. THESE FILTERS ARE PACKAGED AS WIX, NAPA, AND CARQUEST BRAND FUEL FILTERS. CERTAIN SPX FILTRAN FUEL FILTERS WITH A 90-DEGREE ANGLE INLET TUBE, MODEL 800F300-S2, SOLD AS REPLACEMENT FILTERS FOR 19983-1994 SUBARU VEHICLES WITH EFI OR TURBO ENGINES. THESE FILTERS ARE PACKAGED AS WIX, NAPA, AND CARQUEST BRAND FUEL FILTERS. FUEL MAY LEAK FROM THE FILTER DUE TO NON-CONFORMING BRAZING WELDS WHERE THE INLET TUBE IS CONNECTED TO THE FILTER CAN.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
VEHICLE DESCRIPTION: PASSENGER VEHICLES. CERTAIN RESERVOIR TANK CAPS ON THE BRAKE MASTER CYLINDER WERE PRODUCED WITH A WORN OUT DIE AND LACK VENTILATION HOLES. AS A RESULT, THE PRESSURE IN THE RESERVOIR TANK CAN DROP GRADUALLY AS THE BRAKE PAD OR SHOE WEARS AND AMBIENT TEMPERATURE DROPS. ALSO, THE PRESSURE COULD REACH A POINT THAT THE BRAKE CALIPER AND DRUM CYLINDER ARE PULLED BACK BY THE VACUUM IN THE RESERVOIR TANK WHEN THE VEHICLE IS PARKED FOR A LONG TIME.
ELECTRICAL SYSTEM:IGNITION:SWITCH
Mazda North American Operations (Mazda) is recalling certain model year 1989-1998 MPV, 1990-1995 323, 1990-1998 Protege, 1992-1993 MX-3, 1993-1995 929, 1993-1997 MX-6, and 1993-1998 626 vehicles. In the affected vehicles, grease applied to the contact points inside the ignition switch may become conductive and overheat.
EXTERIOR LIGHTING
SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
VEHICLE DESCRIPTION: PASSENGER VEHICLES. DUE TO A PROGRAMMING ERROR, THE POWERTRAIN CONTROL MODULE (PCM) INSTALLED CAN, UNDER CERTAIN DRIVING CONDITIONS, TRIGGER A SHIFT IN AIR-FUEL RATIO TO AN OVERLEAN CONDITION.
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Frequently Asked Questions
What are the most common Mazda 626 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2002 Mazda 626 has 1 documented issue. The documented issue is: CD4E Automatic Transmission Failure. Of these, 1 is rated critical and should be addressed promptly.
Is the Mazda 626 reliable?
The 2002 Mazda 626 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: CD4E Automatic Transmission Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mazda 626 problems?
Repair costs for known Mazda 626 issues range from $200 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, CD4E Automatic Transmission Failure, typically costs $200-$2,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1998-2002 Mazda 626 CD4E Automatic Transmission Failure?
The 1998-2002 626 with the 2.0L four-cylinder and automatic uses the Ford CD4E automatic transmission, which is notorious for premature failure. The transmission develops harsh shifting, slipping, and complete failure typically between 60,000-100,000 miles. Internal servo bore we… Repairs typically run $200-$2,500. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.