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2004 Mazda RX-8 repairs by problem area

Engine (56%)

Transmission and Drivetrain (13%)

Brakes and Traction Control (4%)

Suspension and Steering (4%)

Electrical and Air Conditioning (17%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (2%)

Chart based on 171 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
Oct 2007

34000 mi
Replace switch face plates on HVAC & stereo system due to cracking 
Dec 2007

35000 mi
Both O2 sensors failed within 1 week of each other. Replaced under warranty 
Mazda RX-8 in Colorado, United States
Dec 2007 - Mar 2010
Sep 2007

32708 mi
Replace center console lid. 
Oct 2007

33156 mi
Replace factory stereo head unit. 
Dec 2007

34097 mi
Replace both rear tail lights due to condensation. Replace rear truck weatherstripping. 
Jan 2008

34000 mi
Hard 1-2 shift. 
Mar 2008

35000 mi
Once again, hard shift 1-2. Replaced clutch slave cylinder for shifting problems. Problem persists. 
Jul 2008

37000 mi
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. 
Aug 2008

37700 mi
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
Apr 2006

31000 mi
Second Third and Fifth gear were near impossible to shift into, dealer rebuilt damaged components. 
Nov 2006

38000 mi
Warranty replacement of entire transmission. (Transmission was rebuilt earlier and problem shifting did not go away) 
Jan 2007

39000 mi
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
Aug 2007

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
Mar 2007

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
Feb 2008

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. 
Mar 2008

35000 mi

US $248
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. 
Dec 2009

45000 mi

US $224
Brakes too worn, according to mechanic. Replaced pads; nothing else needed. 
Mar 2010

46000 mi

US $780
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. 
Jun 2011

53000 mi

US $400
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
Jul 2007

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
Jan 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
Mar 2008

38440 mi

C $350
Flooded engine in cold weather. 

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2004 Mazda RX-8 Repair Histories

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.