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2004 Mazda RX-8 Repair Histories

140 TrueDelta members own (or used to own) a 2004 Mazda RX-8. 59 of these members (42.1%) have reported repairs for their car. A total of 161 repairs to 2004 Mazda RX-8s--an average of 1.2 per vehicle--have been reported.

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2004 Mazda RX-8 problems occur, check out our car reliability stats.

Chart based on 161 repairs.
Non-members can see only ten 2004 Mazda RX-8 repair histories. Log in or join us to see them all.

2004 Mazda RX-8 4dr Coupe

238-horsepower 1.3L R2 6-speed manual RWD

Mazda RX-8 in Texas, United States
Dec 2006 - Mar 2008
34000 mi   Replace switch face plates on HVAC & stereo system due to cracking 
35000   Both O2 sensors failed within 1 week of each other. Replaced under warranty 
Mazda RX-8 in Colorado, United States
Dec 2007 - Mar 2010
32708 mi   Replace center console lid. 
33156   Replace factory stereo head unit. 
34097   Replace both rear tail lights due to condensation. Replace rear truck weatherstripping. 
34000   Hard 1-2 shift. 
35000   Once again, hard shift 1-2. Replaced clutch slave cylinder for shifting problems. Problem persists. 
37000   Visited 2 different dealers. 1st dealer claimed clutch issue. 2nd dealer confirmed internal transmission problem. Awaiting confirmation of warranty replacement of a new transmission from 2nd dealer. 
37700   After visit to 3rd different dealer, transmission issue resolved under warranty. Replaced 2nd gear, 2nd gear syncro hub/ring, 1-2 shift fork. 
Mazda RX-8 in Pennsylvania, United States
Dec 2006 - Mar 2010
31000 mi   Second Third and Fifth gear were near impossible to shift into, dealer rebuilt damaged components. 
38000   Warranty replacement of entire transmission. (Transmission was rebuilt earlier and problem shifting did not go away) 
39000   Rear windshield was leaking into the back seat. Left rear back seat and windshield replaced (price is approximate since it was not disclosed) 
Mazda RX-8 in New York, United States
Feb 2007 - Jun 2011
43000 mi   passenger side visor broke (split in 2) and had to be replaced. While i was there i had them replace the clutch master cylinder because while in heavy traffic on a hot day the clutch pedal becomes spongy. Also i had them add a breather as my dipstick woul 
Mazda RX-8 in California, United States
Dec 2006 - Apr 2010
33000 mi US $125 Malfunctioning ignition coils. dealer said 'it wasn't a problem'. Malfunctioning ignition coils. dealer said 'it wasn't a problem'. replaced coils myself, issues went away. 

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2004 Mazda RX-8 4dr Coupe

197-horsepower 1.3L R2 4-speed shiftable automatic RWD

Mazda RX-8 in District of Columbia, United States
Jan 2007 - Jun 2012
34000 mi US $300 Poor engine response, especially at low rpm, followed by check engine light after a week or so. Front brakes worn, according to dealer. Replaced pads, resurfaced rotors. 
35000   There were 2 bulletins for weak engine, reflash and diagnostics. The diagnostics turned up shorted coil (so, driving with 1 rotor). Coil replaced on out of warranty assistance, labor paid by owner. 
45000   Brakes too worn, according to mechanic. Replaced pads; nothing else needed. 
46000   Fuel cap seal weak; engine light on, but car worked. After few days, car didn't start. Diagnostic showed P2070 and P0456. Replaced 2 intake manifold tuning valves. Replaced fuel cap on extended warranty. 
53000   Weak and slight knocking at mid revs under load. Stuck valve on secondary air intake freed up, engine decarbonized with Mazda kit, slightly corroded ignition wires replaced, coils replaced, air filter replaced. 

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2004 Mazda RX-8 4-door

4-cylinder manual 2WD

Mazda RX-8 in California, United States
Apr 2007 - Mar 2010
29000 mi US $298 The power lumbar support had a broken switch. Dealer noticed it during an inspection and took care of it under warranty. 

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2004 Mazda RX-8 4-door

2-cylinder manual 2WD

Mazda RX-8 in Ontario, Canada
Dec 2006 - Feb 2007
22940 mi   The heat in the cabi would fluctuate from hot to cold (like the air conditioner had come on). Twisting the heat control knob from current setting of hot to cold and back again (repeat as necessary) would usually bring the heat back to the cabin.  Replaced heater, details in email 050207 

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2004 Mazda RX-8 4-door

2-cylinder automatic 2WD

Mazda RX-8 in Manitoba, Canada
Feb 2008 - Mar 2010
38440 mi C $350 Flooded engine in cold weather. 

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