2005 Mazda RX-8 Mazda RX-8 2005

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2005 Mazda RX-8 repairs by problem area

Engine (44%)

Transmission and Drivetrain (12%)

Brakes and Traction Control (0%)

Suspension and Steering (2%)

Electrical and Air Conditioning (21%)

Paint, Rust, Leaks, Rattles, and Trim (19%)

Other (3%)

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Chart based on 113 repairs.
See TSBs and recalls for the 2005 Mazda RX-8.

2005 Mazda RX-8 electrical repair cost distribution

$2500+ (0%)

$1000 - $2499 (23%)

$500 - $999 (13%)

$100 - $499 (43%)

< $100 (20%)

Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 Mazda RX-8 4dr Coupe

238-horsepower 1.3L R2 6-speed manual RWD

114000 mi

US $100
Trying to find blockage and leak in ac system 
130000 mi

US $150
Alternator failure 
26500 mi

US $295
Sirius SAT radio working intermittently. Signal 5-10 minutes/hour; rest of the time just shows 'ACQUIRING'. Dealer replaced antenna and splitter cable to SAT box in trunk. 
74700 mi

US $60
Battery failed while under prorated warranty; I replaced it after paying a share of the replacement cost. 
20500 mi HVAC control unit stopped functioning. Unit only blows hot air, no AC. It was replaced under warranty. 
50000 mi

US $200
Temp control stopped working. Dealer quoted $495 to replace the module. Thanks to RX-8 Club forum, saw similar problem that required resoldering the main wires to the module. Removed module, resoldered, and works correctly now. 
30380 mi Warranty repair: Replaced 1 rear tail light 
57000 mi Headlight leveling sensor failure. Headlights aiming too low. Removed sensor, disassembled. Lot of corrosion inside, cleaned as well as posssible, reassembled. Front sensor cleaned only, will do rear sensor soon. 
58000 mi Headlight leveling sensor failed after prior repair (warning light). Lights aimed too high, blinding other drivers. Sensor removed again, re-cleaned. Sealed wire harness with silicone, reinstalled. After re-aiming headlights, repair OK. HVAC temp control dial failure. Known issue with these vehicles. Found fix on RX8club.com. Removed stereo/HVAC unit, disassembled. Soldered connections on control board for heater control. Reinstalled. Repair was successful (& easy). 
48980 mi

C $600
starter went and was draining battery when starting car. Battery replaced and starter and spark plugs replaced 
67420 mi

C $1060
Heater - no hot air blowing 
38000 mi Power window made popping sound when being lowered. 
36000 mi Air conditioner would start blowing heat even when on cold. Fiddle with the knob and it would blow cold again but a minute later would start blowing hot for no reason. Replaced temperature control, A/C works now. 
42000 mi The tire pressure monitoring system has had its low tire pressure light on for the last few weeks. I took it to the dealership, they could not replicate it and oddly enough the light did not come on until the next day. It has been on since then too. 
38000 mi

US $100
Replaced failed alternator. 
65000 mi

US $300
HVAC controls fixed. 
75000 mi

US $1200
AC condenser broke a few months after Heater was fixed 
39680 mi

C $56
Rear tail light water condensation and build up. Manufacturers defect. Well documented with Mazda Canada. 
31000 mi Heater Control knob failed, heat control stuck on max cold regardless of setting. Replaced under warranty. 

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2005 Mazda RX-8 4dr Coupe

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

36000 mi Heater control switch failure. est $450 repair 
48000 mi Dash heater control unit needed to be replaced. Temp control would only give full hot or full cold. 

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2005 Mazda RX-8 4-door

2-cylinder manual 2WD

22320 mi Coils burnt out 

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2005 Mazda RX-8 Electrical Problems

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 2005 Mazda RX-8 problems occur, check out our car reliability stats.