There are 6 owner-reported powertrain & transmission complaints for the 2004 Mazda MPVin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TOTAL TRANSMISSION FAILURE. *TR
I PURCHASED A 2004 MPV ARCH 28, 2005. TO DATE, I HAVE HAD THIS VAN IN FOR WARRANTY SERVICE TO REPLACE IGNITION COILS THREE TIMES: 10/31/06 '' 31,770MI - #4 COIL REPLACED. TRANSMISSION RANGE SENSOR REPLACED ALSO 12/05/06 '' 33,229MI - #4 COIL REPLACED AGAIN 1/08/07 '' 34,708MI - #6 COIL REPLACED. TODAY AS I WAS DRIVING, THE SAME SYMPTOMS '' STEERING WHEEL VIBRATION, BUCKING, LURCHING '' OCCURRED AS BEFORE WHEN THE OTHER COILS FAILED. THE CEL CAME ON, I CHECKED FOR THE CODE AND I DISCOVERED THAT THE #5 COIL HAS FAILED. NOW THIS WILL BE THE FOURTH SERVICE FOR THE SAME PROBLEM. THERE HAS BEEN NO EFFORT ON THE PART OF COUNTRY MAZDA TO FIND THE SOURCE OF THE COIL FAILURE. REPLACING THE PARTS OBVIOUSLY IS NOT SOLVING THE PROBLEM. *AK
ON MY MAZDA MPV IN TEMPERATURES BELOW 40 DEGREES THE TRANSMISSION SLIPS WHEN SHIFTING INTO 3RD GEAR. THIS CAUSES LOSS OF POWER AND A WHIPLASH ACTION WHEN THE TRANSMISSION RE-ENGAGES. IN HIGH TRAFFIC SITUATIONS THIS CAN BE VERY DANGEROUS. *NM
2004 MAZDA MPV - NORTH PARK MAZDA IS SAN ANTONIO HAS BEEN UNABLE TO FIX A NOISE COMING FROM THE FRONT OF THE VEHICLE. I TOOK THE VAN IN 5 TIMES IN JULY. THEY WERE UNABLE TO DUPLICATE THE NOISE ON THE FIRST FEW ATTEMPTS. I FINALLY HAD TO TAKE THE SERVICE MANAGER FOR A RIDE IN IT. THEY THOUGHT THEY HAD FIXED IT THE LAST 2 TIMES I TOOK IT IN BUT APPARENTLY DID NOT ACTUALLY LOCATE THE PROBLEM. I
WHILE DRIVING CONSUMER APPLIED THE BRAKES AND PEDAL WENT TO THE FLOOR. A LOUD KNOCKING NOISE WAS HEARD FROM THE FRONT. CONSUMER WAS ABLE TO SLOW DOWN, AND PULLED OVER. CONSUMER HAD VEHICLE TOWED TO THE DEALER, AND MECHANIC DETERMINED THAT TRANSMISSION BLEW OUT DUE TO A WORN SHAFT SOLENOID. *AK
2004 MAZDA MPV WITH TRANSMISSION PROBLEMS. CONSUMER STATES THAT THE VEHICLE HAS A TRANSMISSION SHIFT SHOCK PROBLEM AND THE WARRANTY IS GETTING READY TO EXPIRE. WHEN ACCELERATING VEHICLE AND PASSENGER GET JOLTED FORWARD. *KB THE CONSUMER STATED THE LAST TIME THE PROBLEM HAPPENED, THE TRANSMISSION LIGHT ILLUMINATED.*JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026