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Fuel systemPart report

2004 Mazda MPV Fuel system Problems

Complaints
5about this part
Share
7%of 71 total for the year
Median mileage
80,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the fuel system of the 2004 Mazda MPV, 7% of the 71 complaints for this model year. Where a mileage was given, the median is 80,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was on I-75 when I accelerated hard while trying to merge into a gap in heavy, merging traffic. When I took my foot off the accelerator my van continued to accelerate as the engine continued to rev at a high RPM. I stabbed at the accelerator with my foot to see if I could unstick it, but it only caused the engine to rev even higher - to full-throttle. I jabbed at it multiple times to no avail. I tried to lift the gas pedal with my foot by jamming it underneath the pedal and pulling it up, but it floated freely and continued to fall back to its full-throttle position. …”

NHTSA complaint #10468926, filed 2012-08, 146,000 miles

“Accelerator (gas pedal) stock open when pedal pressed for acceleration onto interstate highway. Vehicle accelerated to very high speed. Pressing brake slowed vehicle to 55 MPH. Shifted to neutral, heard a low pop and accelerator mechanism disengaged.”

NHTSA complaint #10811389, filed 2015-12, 161,000 miles

“Car is running fine, and then engine stops. After setting for a minute or so, engine will start again and run fine for days ...then the above recurs. Replaced idle control valve...no more trouble.”

NHTSA complaint #10295816, filed 2009-12, 64,000 miles

“Mazda 2004 MPV with just under 68,000 miles has 3 fuel injectors(cel) replaced by local mechanic- 2 weeks later jerky misfires with cel required #5 coil replaced by dealership, less than a month later #4 coil replaced by local mechanic in town we were vacationing in-no cel, now same jerky misfires starting again a month after last replacement. Recent forum entries seem to indicate a growing problem of this type for 2004 MPV. Except for towing charges, expensive repairs, and inconvenience- no injuries.”

NHTSA complaint #10241191, filed 2008-09, 68,000 miles

“The contact stated while depressing the accelerator pedal, the vehicle would not accelerate. The vehicle was taken to the dealership, where it was determined the bladder separated in the fuel tank and was getting into the fuel pump. The gas tank needed to be replaced.”

NHTSA complaint #10172767, filed 2006-11, 80,000 miles

Fuel system: other model years

YearComplaintsShare of year
2006217%
200513%
200457%
200311%
200232%
200111%
200021%
199815%
199715%
199515%
199324%
199258%
199146%
1989418%

Other parts of the 2004 Mazda MPV

Engine cooling
23 complaints
Air bags
14 complaints
Electrical system
13 complaints
Transmission and drivetrain
8 complaints
Body and structure
4 complaints
Suspension
3 complaints
Tires
3 complaints
Other or unknown
2 complaints
Vehicle speed control
2 complaints
Engine
1 complaints
Equipment
1 complaints
Exterior lighting
1 complaints

← All problems reported for the 2004 Mazda MPV

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology