

Engine (45%)
Transmission and Drivetrain (8%)
Brakes and Traction Control (3%)
Suspension and Steering (12%)
Electrical and Air Conditioning (20%)
Paint, Rust, Leaks, Rattles, and Trim (8%)
Other (4%)
$2500+ (8%)
$1000 - $2499 (8%)
$500 - $999 (13%)
$100 - $499 (23%)
< $100 (49%)
161-horsepower 2.5L I4 5-speed shiftable automatic FWD
104000 mi US $600 |
New plugs, rough idle in extreme cold weather. |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic AWD
131440 mi | and also pcm computer. |
36700 mi US $90 |
Radiator cap failed to hold pressure. Replaced cap. |
161-horsepower 2.5L I4 5-speed shiftable automatic FWD
70060 mi C $120 |
Bottom engine mount replaced. I felt some roughness and shimming when brakes applied at high speeds. |
169000 mi | timing belt |
138000 mi US $40 |
Replaced the original serpentine belt |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic AWD
4940 mi | Brought in for second service. Mechanic noticed large oil leak. Engine was covered with oil under plastic engine cover. Put in rental car, and asked to leave overnight. Leak repaired the following day once found. Pinched valve cover gasket. |
13640 mi | Check engine light came on, and ran rough. Diagnosed as a faulty O2 sensor. Replaced under warranty. Three hours down time. |
16120 mi C $270 |
Due to an ongoing oil leak, poor fuel economy, loss of power, and harsh noises on start up, turbo had to be replaced with updated unit. |
turbocharged 171hp 2.2L I4 Diesel 6-speed manual AWD
20000 mi | Engine holding back when cold, garage re-set fuel injectors car now ok. |
161-horsepower 2.5L I4 5-speed shiftable automatic FWD
190000 mi US $750 |
Replace engine mount |
27800 mi | Oil leak coming from timing chain cover. Resealed with RTV silicone. |
138000 mi US $1000 |
Passenger side motor mount - replaced due to failure of original. |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic FWD
29000 mi | Valve cover oil leak repair, replaced cover, and diagnosis of some noises. |
27900 mi | Bad EGR valve. |
46000 mi US $600 |
EGR valve failure. Extended warranty did not cover. |
40000 mi US $250 |
One engine mount leaking (replaced) |
44000 mi US $2000 |
Egr valve replaced |
34000 mi | Egr valve replaced |
59000 mi | Egr valve repair for the second time |
60000 mi US $8000 |
The VVT had stretched and the turbo was shot. This car will never be driven by us again. Mazda will not repair, so we are looking at going to court. This model of Mazda, really needs to be recalled for the issues we are dealing with. |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic AWD
21280 mi C $200 |
Timing chain and VVT replaced (in one of Mazda's TSB), free of charge Small coolant leak, had to replace unit, ~200$ |
41540 mi C $600 |
Egr valve gunked |
44640 mi C $650 |
Turbo replaced |
32440 mi | Very high engine oil level,two months after oil change. Fuel contamination. |
33480 mi | same problem remains unsolved,even after replacing the fuel pump and injectors.engine oil contaminated with fuel.engine oil level higher with 1cm every 500 km.a second fuel pump replacement was done on april 25th.keep oil level on close wac. |
34100 mi | engine replaced.in the process the fuel tank damaged.leaking fuel.fuel tank replaced.after 3000 km replaced the oil.too dirty they said. after that the old issue reappear.the oil level is over the max on the oil stick.oil is getting again ml |
36000 mi US $210 |
Nut holding TPS unit disappeared. Discovered missing by mechanic when checking tire pressure. |
54300 mi US $388 |
Failed EVAP test pump |
70000 mi US $4900 |
Turbo failed with white smoke. Replaced turbo & spark plugs |
Engine not specified
46000 mi | turbo went out |
74000 mi US $380 |
coil failure , coil was replaced |
47000 mi US $7500 |
The turbocharger went out and leaked into the engine. The cooling of the engine is poorly designed and despite normal oil level, the engine will literally cook itself. Poor cooling design for the turbocharged engine. Very unreliable. |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic FWD
162000 mi US $600 |
Oil Leak repaired |
19000 mi | Broken Passenger's motor mount. |
25000 mi | Turbo smoke after long periods of idling. |
25000 mi | Still turbo smoke after long periods of idling when sold. New owner said he noticed it first time he drove it. AC compressor also went out right after he got it. |
53000 mi US $258 |
EGR valve replaced |
47700 mi US $670 |
EGR valve needed replacement |
102000 mi US $2500 |
Replace timing chain and tensioner |
28000 mi | VVT ACTUATOR REPLACED |
73300 mi US $102 |
TIMING CHAIN AND TENSIONER BAD MOTOR MOUNT |
37000 mi US $100 |
EGR Valve failed and was replaced. |
75000 mi US $1500 |
VVT, Timing chain |
57000 mi US $900 |
EGR valve replacement |
91000 mi US $700 |
Thermostat failed Engine mount replaced |
132000 mi US $960 |
Random misfire led to check engine light and rough idle, lower power. Needed to replace one fuel injector. |
33060 mi $120 |
Check engine light was on, besides the cooling fan turned on at odd times sometimes staying on for a long time after killing the engine. Coolant temp was OK. |
23440 mi €270 |
white / cloudy Smoke coming out of exhaust and very low oil. Dealer replaced oil and said no major issue. Smoke due to low oil in Sump over compensating. Advised car should always be topped up with oil every 6 months |
29440 mi €1200 |
Car needed a new Turbo. White smoke regularly coming out of exhaust when car static or accelerating. Mazda eventually agreed to cover 80% of costs due to issue first being raised within warrenty. The car also received a regular service |
47000 mi | Leaking oil around timing chain cover. |
103000 mi US $200 |
2 cylinders leaking - needed new engine |
13000 mi | The chrome exhaust tips rusted, dealer replaced with no questions. Replacement required an entire muffler assembly with tips. |
48000 mi | Turbo was replaced under TSB/Mazda's extended warranty for known turbo seal issue. |
55000 mi | I noticed my car running at a higher temperature than usual, and the radiator fan coming on frequently. I took it to the dealer and told them I thought the thermostat was bad. They verified that it was, and replaced it the same day. |
60000 mi | Smoking from exhaust, TSB followed to remedy the problem. Timing chain replaced under warranty by TSB |
105000 mi US $150 |
a transmission mount was cracked, causing the shift from neutral to reverse to be somewhat jarring. They replaced the mount, no issues. |
31000 mi | EGR valve replaced after P0401 engine code. |
35000 mi | Oxygen sensor bad. Eight engine codes pointing to lean running. Fuel economy went from 22mpg to 15mpg. Bad gasoline smell from exhaust. |
20000 mi | gas cap caused check engine light, replaced by dealer under warranty |
8680 mi | Chrome exhaust tips rusted where they were spot welded. Dealer replaced the muffler under warranty. |
19220 mi | Vehicle hesitating when warm, lack of power, engine extremely noisy. Replaced timing chain. |
48740 mi | Fixed a couple oil leaks while at dealer for routine oil change. |
58900 mi C $450 |
Front O2 sensor |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic AWD
80000 mi US $1700 |
VVT was replaced for the 2nd time in 13.000 miles and a leak into the turbo was repaired. |
100495 mi US $4299 |
Turbo charger was leaking and was replaced. Rear main seal was leaking as part of many leaks occurring. Rear main seal was replaced. PCV valve was replaced. Mechanic said a problematic PCV valve could be the reason the entire back engine (turbo, rear main seal) was having multiple leaks from pressure build up. |
144000 mi US $1500 |
It is was a blown head gasket that needed to be replaced |
25420 mi | Fuel sensor failed. Under warranty so it was replaced. |
29000 mi US $50 |
White smoke was noticed while engine was running (for heat) in parking lot. Vehicle driven several blocks and laid down smoke screen. Smoke stopped after a few blocks. Did not drive for a month. Took to local repair shop and no cause found |
58000 mi US $365 |
Coolant hose behind engine was leaking and car was smoking due to faulty turbo seals. After getting car back from supposed repair, check engine light (CEL) came on the next day (P0016 crankshaft/camshaft position sensors). Counterman at dealer said it was just a coincidence that the CEL came on after they had worked on it. |
38000 mi US $10000 |
My Mazda CX-7 had a new turbo engine put in. I had to pay $10,000 of which I really could not afford.The dealership blamed me for the sludge in the engine although I faithfully changed my oil . I know in the future I will file a lawsuit. |
41020 mi | blue/white smoke from exhaust when idle or at lower speeds. ventilation kit replaced under warranty per SSP84. |
41640 mi C $112 |
CEL was on. Mass air flow sensor clogged. mazda cleaned it under warranty. |
44640 mi | CEL light is back on. Have been told EGR valve needs to be replaced. Went to my mechanic and he thoroughly cleaned it up and it works fine now. |
53500 mi | the turbo was replaced |
56000 mi | after the turbo was replaced, oil was leaking within a week. repaired at no cost. |
42000 mi US $100 |
leaking oil, appeared to have been coming from transfer case. Issue turned out to be a loose hose from the turbo. |
58000 mi | Smoking turbo and loose timing chain. Turbo and chain replaced under warranty |
53000 mi | Fixed oil plug leak |
68000 mi US $550 |
ACG valve needed replacing Car smoked when idling for long periods |
3100 mi $50 |
Check engine light came on due to a loose gas cap. |
68700 mi US $477 |
Check engine light on. Third cylinder misfire. After full Engine Diagnostic ($99.99), the ignition coil needed to be replaced($208.99). Also replaced the spark plugs as part of the maintenance ($138.96). |
65000 mi US $460 |
Emission code indicated replace Leak Detection Pump. Detection Pump replaced. Cost including labor was $388.89. Mysterious clunk in the rear. Checked suspension and found nothing wrong. Cost $45.00. |
69000 mi US $557 |
engine shaking a lot. dealer found engine mount 3 broken. possible other engine mounts may need replacement due to normal wear and tear. |
76000 mi US $405 |
car required new spark plugs and wires. CEL went away for 1 week only to come back and display additional misfires in all cylinders dealer performed a full Dyno testing and compression testing of engine. Damage fuel injectors, turbo needed rebuilt, damage VVT and cam shaft, oil in engine. stretched belts and misalligned pulleys |
120000 mi US $450 |
Car died while driving. Tried to restart it with no luck. The timing chain broke and the overhead valves broke. Entire engine replaced under warranty. |
61580 mi C $248 |
Check engine light = EGR Valve replaced under warranty. Cost at dealer was for 48 month maintenance visit-$248.00 |
106020 mi | Spun main crank bearing. Dealer trying to get Mazda Canada to assist in repair. They have taken the top end apart, submitted pictures. The top end was extremely clean. |
106620 mi C $2500 |
Engine replacement: due to spun main bearing. Mazda stepped up and supplied a $6000 motor and dealer covered $1500 of the labor. |
112220 mi C $375 |
Replace upper oxygen sensor |
35300 mi | Broken EGR Valve tripped Check Engine light. Decided to reset and see iif it occurs again. Repair was quoted at $610. |
4-cylinder automatic 4WD
80000 mi | Timing was still off from July 2010 repair. They replaced timing chain/tensioner, valve cover gasket, front crank seal, engine mount. Reassembled engine. Replaced oil filter. Cleared code. 7 hrs of labor. The same day car was picked up from previous repair, the engine light came back on. Car was taken immediately back to the dealer. They found camshaft timing over retarded. Found PCM using stored values from previous VVT actuator. |
82000 mi | Previous problems continuing. Belt Tensioner was seized and threw the drive belt. Replaced drive belt tensioner and drive belt. Charged battery, topped off coolant. |
106000 mi | during regular maintenance check, an oil leak was noted but rather than repair after other problems, we sold it. |
Engine not specified
£15000 | Cam belt tensioner gave out leading to a complete engine failure. Also took out turbo, transfer case and starter motor. In the end I decided it was to costly to repair. |
46000 mi | 1-2 second rattle at start up. VVT issues problem fixed under warranty. |
48000 mi US $100 |
Oil Leak, Valve cover gasket, PCV, and another o ring on the on valve cover |
55800 mi | Plastic melting smell comes from engine after 30min driving in highway. repair was done but not successfull VVT was replaced, due to some noises from engine |
23000 mi | Starts hard, sputters, sometimes dies in morning. A big cloud of smoke comes out of the exhaust. I have to bring it back for they did not have time to fix the problem. |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic FWD
150100 mi US $290 |
EGR valve needed replacement |
153000 mi US $400 |
Fuel injector replaced |
151000 mi US $4138 |
Blown engine. It started with a blown water hose that caused the car to run hot. |
110000 mi US $2500 |
Turbo failed |
44000 mi US $593 |
Rattle in engine; ACTR.VARia;Washer; Bolt.Lock replaced. |
27900 mi C $182 |
... turbo charger replaced under warranty(was leaking oil)and schedule maintenantce at 48000km |
95000 mi | Solenoid problems....purchased extended warranty from this dealer....surprise, none of the repairs are covered by their warranty. |
127000 mi US $60 |
Motormount |
130000 mi | Valve purge solenoid was stuck open |
144000 mi US $200 |
Timing chain and actuator replaced Oil cooler oil filter housing and gasket |
8000 mi | Acceleration / throttle response not consistent |
117800 mi C $975 |
Leaking engine oil excessively |
119660 mi | Check engine light came on. Was showing timing chain slip. Did not repair. Just sold the car |
11000 mi | Bad gas cap. Replaced gas cap under warranty. Bad O2 sensor. When replacing dealer also damaged catalytic converter. |
12000 mi | Check engine light. Dealer diagnosed a flutter control valve in the intake manifold. Stability control warning light comes on and stays on during start ups on cold (ie below approx 10deg F) days. Light stays lit for entire trip. Dealer reported many cars do that, but Mazda currently does not have a fix. |
12000 mi | Shutter valve malfunction. Dealer stated parts were in, but they weren't. Dealer attempted to modify part per TSB, but fix didn't work. Part is still on order. Bad O2 sensor. Part took 14 days to arrive. Flutter valve replaced. Stability Control light stays lit after cold starts (single digit temps and below). On this visit, problem as attributed to flutter valve issue. Problem has reocurred in March, however. |
3750 mi | Cel for leaking gas cap, replace cap |
15000 mi | Poor engine performance from a rest, engine knock when using premimum gas |
16000 mi | Engine ecu updated with new software per TSB |
26000 mi | Sometimes exhibits severe engine knock on reapplying throttle after slowing down. Mazda reflashed the ECU Car had severe engine knock on trip home from dealer. This time they replaced the fuel pump. seems to have repaired the problem. |
32000 mi | Severe engine pinging upon light acceleration when using premimum fuel. |
33000 mi | Engine knocking on premium fuel. Engine ECU updated with 2008 version and VVT actuator replaced. per TSB. |
3000 mi | flash of software on ECU and TCM |
14880 mi | Motor was a bit noisy at ignition. Replaced one of timing belt sprocket. |
98000 mi | I bought his car in Nov 2015. It already had a rebuilt engine . From what the mechanic said ,it was the timing chain. Since I bought it it runs great . |
90830 mi | error code noticed because of warning light. Regular test for emissions, but failed |
91140 mi C $580 |
Reset OBDII error with Dealers OBDII machine, retested emissions, failed again. Reprogrammed OBDII system and Reset error code. Evaporative system and intake air temp were in the list of things. OBDII Air intake temp, reflashed the ECU, but not able to fix the OBDII Error. |
6000 mi | Car bucked during acceleration. Replaced O2 sensor Reflashed Power Control Module and Transmission Control Module |
51800 mi | White smoke out of tail pipe. Installed turbo vent kit and extend warranty service. |
56000 mi US $87 |
Engine light came on. Diagnosed bad gas cap. Replaced with Mazda cap. |
50000 mi | Car Turbo broke. With total cost of repair it was too expensive to fix. Decided to get a new car. |
20000 mi | Engine also got a reflash for the ECU. |
34000 mi | Tailpipes were leaving soot on rear bumper. New tips installed, problem solved. |
46000 mi | Turbo seals leaked oil on intake and exhaust sides. ruined 02 sensor. Smoke poured out of the exhaust after 20 minutes of idling. Replace turbo and 02 sensor, turbo glowed neon orange. Took to 2nd dealer. Area manager said ok per computer. Still smokes. |
76300 mi | Passenger motor mount leaked fluid all over causing clicking sounds when turning and knocking over bumps. Replaced mount under extended warranty. |
84700 mi US $1200 |
VVT Actuator failed, and caused a rattle at startup. Reported under Extended warranty but said not a problem in 2010. Now it was bad enough another dealer, out of warranty said bad. $1200 for VVT, timing chain and more. Sucks. |
turbocharged 244hp 2.3L I4 6-speed shiftable automatic AWD
16000 mi | The turbo on the car broke and had to be replaced |
1150 mi | AT & CEL illuminated. Vehicle stuck in 3rd. TCM replaced & TCU reprogrammed. |
3000 mi | After pulling onto a busy three-lane roadway, I got about a tenth of a mile and then the car just went dead. I had no acceleration or response, the car wasn't in any gear, and the power steering was gone. After a few minutes, it did restart. |
1000 mi | TSB to flash the computer to address slow downs under 2500 RPM. |
22000 mi | oxygen sensor failed and stuck to catalytic converter |
23000 mi | o2 sensor and catalytic converter. o2 sensor and catalytic converter. machined brakes (warped again) |
39000 mi | White steam at idle problem - was fixed by dealership under powertrain warranty |
44000 mi | oil leaking from car |
90000 mi US $800 |
Oil cooler leak. Guy at Mazda said it should have been recalled for it but never was. Known horrible issue. |
14000 mi | Driver reported that on acceleration from a stop the throttle appeared to be stuck. Had to turn the car off to stop accelerating. |
116300 mi US $10 |
Cleaned mass airflow sensor. Added fuel injector cleaner to fuel tank. |
130000 mi US $2500 |
Had several oil leaks repaired. |
1300 mi | Replaced an ignition coil pack that had failed. |
83000 mi US $1500 |
Replaced turbo. Bearings went bad. Car is very hard on oil. Must run synthetic and change every 3k. Not exaggerating. Motor runs hot and creates sludge in oil. Poor design. |
71300 mi C $790 |
Replaced EGR valve. |
37000 mi | the previous owner did not do a good job w/maintaining oil change. There was a large amount of oil build up which require for a part to repair not exact what it was called. My vehicle had to flushed twice before replacing part. |
15000 mi | VVT gear replaced. Engine rattled loudly on startup and felt lumpy on acceleration. Engine oil pan and trans pan were also removed and re-sealed as they were leaking slightly due to poor RTV application when built. |
57000 mi US $300 |
CE light - was faulty gas cap, replaced cap and good! |
70000 mi US $600 |
Timing chain tensioner and chain Broken motor mount Repair broken motor mount - fixed under my 3rd party extended warranty |
75500 mi US $700 |
CE light - was EGR valve, was stuck closed. Dealer did repair. Not covered under Mazda, CPO or 3rd party extensive warranty. |
4 mi | Replaced gas cap, no charge |
61000 mi US $225 |
Water collected in the spark plug well and affected the spark coil. Engine misfired under load, Check Engine light came on, dirty oil, random misfire reported in computer. Removed water, replaced spark plug cap/coil, no further symptoms. |
3000 mi | Re-flashing the PCM, because of "Lack of power" TSB |
2000 mi | Check Engine Light - Gas cap replaced |
2500 mi | CEL - Intake Swirl valve replaced |
62000 mi US $1200 |
Stuck EGR valve |
77000 mi US $800 |
Oxygen sensor and mass air flow sensor replaced |
26500 mi | engine light came on, replaced a sensor & computer was upgraded |
27 mi US $21500 |
car got stuck in third gear, they replaced a sensor |
1000 mi | TSB for ECU reflash to improve acceleration TSB for lower door seals to replace with new design to seal doors better TSB for Gas Cap to prevent CEL due to old design causing these though not in my case |
87000 mi US $2900 |
VVT Bolt and Chain loose. Updated Parts installed. But since it was now out of warranty I had to pay for this my self out of pocket. |
56000 mi US $60 |
Exhaust system heat shield around catalytic convertor rattling. Upper half welds to lower half rusted. Heat shield between exhaust manifold and firewall/cowl in engine comp.deteriorated and came loose. Very flimsy...requires replacement. |
54560 mi A $600 |
The engine mount was replaced and fluid from old mount was not cleaned from the engine area. I have never seen an engine filled with fluid before. |
66340 mi A $790 |
There was a leaking oil filter which only needed to have a new seal and not the whole filter fitted. Mazda dealer used the excuse that there aren't seals available to which I said yes there is seals available. To which I told him rather than keep the repairs cheap and use a 50c seal you want to gouge the owners and charge $390.00 plus labour. Eventually he credited $144.00 for labour plus other incidentals of $15.00 but I told them I wasn't happy with their service and to top it off they stole my parking card which I use when I travel to work in the city. |
29140 mi | Check Engine light came on.. was told had to pay 100 to hook it up and find the code for the problem.. would not pay so left light on.. dealer told me it could be gas cap.. after 3 days light went out.. |
19000 mi | #4 coil and spark plugs replaced |
58000 mi | Rattle on start up was diagnosed as timing chain issue. Replaced timing chain and related parts. Check engine light was on. Dealer went through process outlined in TSB and reflashed computer. |
65000 mi US $175 |
Check engine light and occasional miss caused by bad/sticking EGR valve. Part replaced and symptoms now gone. |
65000 mi US $150 |
Misfire returned. They cleaned the mass air sensor, but it did not fix it (it came back within a week). They told me they were going to charge me $150, but have not done it yet (and I suspect will not). I may try a different dealer this time. |
65000 mi | Intermittent misfire cured by replacing spark plugs. Shop had recently replaced plugs with spec, but not OEM, plugs, which seemed to have caused the problem. Replaced with OEM plugs. Unclear if issue was plug type or one defective plug. |
6000 mi | Hesitation/stumbling under hot or cold conditions. TSB available for fuel pump and/or PCM reprogram. Dealer states turbo lag is problem and vehicle acting normally. |
7000 mi | Trans hunting for 5th and 6th during hi-way driving. Dealer flashed computer with new program. |
52000 mi US $1 |
timing chain broke. got rid of car! |
16000 mi | Vacuum pump failed |
34600 mi | Replaced fuel filler pipe per Mazda TSB due to complaints of engine light on. |
49000 mi US $2400 |
Turbocharger tube leaking |
27000 mi US $5 |
Bad gas cap. New one ordered. |
38440 mi | oil leaking; seal to be replaced seal replaced |
36000 mi | EGR Valve failed. Dealer replaced and also replace the fuel filler neck. Extended warranty covered most of the repair and paid for the rental. Dealer also replaced oil pan gasket because of a leak they found. |
turbocharged 4-cylinder automatic AWD
125000 mi US $1600 |
Variable gear mechanism broke and timing belt went out. Noted timing belt concerns, loud knocking earlier |
5000 mi | Check engine light was on, they could not replicate the emissions leak. |
60140 mi C $1400 |
VVT replaced under warranty. |
turbocharged 4-cylinder automatic 2WD
10000 mi | when driven in very cold conditions +7f the check engine light came on |
18600 mi US $107 |
Bad seals on the factory turbo. Dealer honoring the warranty. |