| 1 | 0 | 3 | 4 | 3 | 4 |
2004 Mazda Miata MX-5 repairs by problem area
Engine (53%)
Transmission and Drivetrain (6%)
Brakes and Traction Control (6%)
Suspension and Steering (9%)
Electrical and Air Conditioning (22%)
Paint, Rust, Leaks, Rattles, and Trim (0%)
Other (3%)
Chart based on 32 repairs.
2004 Mazda Miata MX-5 repair cost distribution
$2500+ (3%)
$1000 - $2499 (10%)
$500 - $999 (29%)
$100 - $499 (29%)
< $100 (29%)
Chart based on 31 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2004 Mazda Miata MX-5
Engine not specified
| Mazda Miata MX-5 in Florida, United States Jun 2012 - Dec 2012 | |||
| Dec 201297000 miUS $133 | Shifter sloppy when bought car. Investigating, found both rubber boots (one on top of the transmission that keeps dirt out of the gearbox, one on floor pan separating interior from the outside) were also torn. Replaced shifter bushings and boots. | ||
2004 Mazda Miata MX-5 2dr Convertible
turbocharged 178hp 1.8L I4 6-speed manual RWD
| Mazda Miata MX-5 in Tennessee, United States Mar 2013 - Jul 2015 | |||
| Nov 2013108000 miUS $600 | fuel pump-replaced. | ||
| Feb 2014111300 mi | Crank angle sensor. | ||
| Mar 2015132000 miUS $45 | interior door handle broke. Still haven't gotten it working yet. | ||
| Jul 2015136000 miUS $500 | Alternator threw belt. | ||
| Mazda Miata MX-5 in Illinois, United States Sep 2013 - Apr 2018 | |||
| Jan 201497200 miUS $25 | Thermostat failed open, symptoms include very slow warm up and poor temperature regulation. | ||
| May 201599600 miUS $80 | Failed starter, replaced with new | ||
| Mazda Miata MX-5 in Great Britain Nov 2014 - Apr 2015 | |||
| Apr 201570000 mi | New exhaust required | ||
| Mazda Miata MX-5 in North Carolina, United States Oct 2015 - Aug 2016 | |||
| Mar 2016115000 miUS $120 | Replace O2 sensor | ||
| Aug 2016115000 mi | VTCS solenoid died. Simple replacement. | ||
| Mazda Miata MX-5 in California, United States Feb 2013 - Feb 2014 | |||
| Mar 201399000 miUS $400 | Oil pan gasket leaking and new engine mounts required. | ||
| May 201399300 miUS $4400 | Transmission rebuilt with new syncromesh and bearings, clutch replaced. | ||
| Mazda Miata MX-5 in South Carolina, United States Sep 2011 - Feb 2022 | |||
| May 201228600 miUS $70 | Actually went to two shops - 1st (Anderson SC) told us the condenser needed replacement - 2nd (Tampa FL - Mazda specific shop) simply refilled the freon, verified there were no leaks and called it good. | ||
| Mazda Miata MX-5 in New South Wales, Australia Oct 2011 - Nov 2011 | |||
| Nov 201176880 miA $500 | Car loses power on hot days and has to pull over. Believed to be petrol pump which repaired but problem remains. Car has to be put in again at mechanic. | ||
| Mazda Miata MX-5 in California, United States Sep 2011 - Dec 2016 | |||
| Jan 201354700 miUS $600 | Oil leak - oil pan gaskets needed to be replaced. The engine mounts were replaced at the same time. | ||
| Dec 201360000 miUS $400 | Radiator replaced at the suggestion of mechanic. Tanks discolored, was told it could fail soon after 10 years of service. | ||
2004 Mazda Miata MX-5 2dr Convertible
142-horsepower 1.8L I4 6-speed manual RWD
| Mazda Miata MX-5 in Tennessee, United States Aug 2011 - Jun 2018 | |||
| Jul 201137000 miUS $150 | Air bag warning light diagnosed by dealer as bad clockspring. Was quoted nearly $600 to repair. I ordered parts online for <$90 and repaired in <2 hours | ||
| Mazda Miata MX-5 in California, United States Jan 2021 - Oct 2023 | |||
| Feb 202187000 mi | Engine leaks oil, likely from rear main seal. Definitely not from the valve cover gasket. | ||
| Dec 202192000 miUS $500 | Radiator cracked. Replaced radiator. | ||
| Mazda Miata MX-5 in Virginia, United States Jul 2016 - Sep 2016 | |||
| Sep 2016115000 mi | Parking brake slipping, 3rd time in for repair. Shop adjusted for free. | ||
| Mazda Miata MX-5 in Ohio, United States Aug 2011 - Jul 2014 | |||
| Aug 201251300 miUS $1054 | Bad bearing in the clutch assembly. Replaced compressor and clutch assembly. | ||
2004 Mazda Miata MX-5 2dr Convertible
142-horsepower 1.8L I4 5-speed manual RWD
| Mazda Miata MX-5 in California, United States Feb 2012 - Oct 2015 | |||
| Apr 2012112000 miUS $800 | Torn driver's side upper control arm dust boot. Cracked dust boots for passenger side upper control arm and lower ball joint. Both rear shocks leaking fluid. | ||
| Sep 2012120000 miUS $736 | Two ignition coil packs | ||
| Mazda Miata MX-5 in Utah, United States Mar 2012 - Jun 2022 | |||
| Aug 201374900 miUS $225 | Front right wheel bearing was noisy and needed replacement. | ||
| Mar 2016112000 miUS $1000 | Camshaft sensor was throwing an ODB2 error code and needed to be replaced. Rear passenger caliper was leaking fluid and not disengaging fully from the rotor. Rotors resurfaced and rear caliper replaced. | ||
| Dec 2016122000 miUS $300 | Crankshaft sensor replaced because loss of signal was causing engine misfire. | ||
| Jan 2017122000 miUS $1500 | Full tune up: valve cover gasket, valve clearances, timing adjustments. I was having a small oil leak from the valve gasket cover. I was also experiencing harsh misfiring at full or even partial throttle which was fixed via the tune up. | ||
| May 2018136000 miUS $374 | Alternator replacement | ||
| Jun 2021151000 miUS $850 | AC relay harnesses and relay replaced. | ||
2004 Mazda Miata MX-5 2dr Convertible
142-horsepower 1.8L I4 4-speed automatic RWD
| Mazda Miata MX-5 in Ohio, United States Dec 2015 - Sep 2017 | |||
| Mar 201645000 miUS $900 | Car just coughs and dies No repair, paid cost looking for problem. Took to local garage found cause to be Gas. Too much alcohol in gas. Only now go to certain stations without alcohol. | ||
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