| 1 | 0 | 3 | 4 | 3 | 4 |
2007 Mazda CX-7 repairs by problem area
Engine (47%)
Transmission and Drivetrain (10%)
Brakes and Traction Control (1%)
Suspension and Steering (9%)
Electrical and Air Conditioning (17%)
Paint, Rust, Leaks, Rattles, and Trim (8%)
Other (7%)
Chart based on 230 repairs.
2007 Mazda CX-7 engine repair cost distribution
$2500+ (7%)
$1000 - $2499 (8%)
$500 - $999 (11%)
$100 - $499 (14%)
< $100 (59%)
Chart based on 83 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2007 Mazda CX-7
Engine not specified
| 90000 mi US $800 |
Oil cooler leak. Guy at Mazda said it should have been recalled for it but never was. Known horrible issue. |
| £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 |
2007 Mazda CX-7 4dr SUV
turbocharged 244hp 2.3L I4 6-speed shiftable automatic FWD
| 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 |
| 150100 mi US $290 |
EGR valve needed replacement |
| 153000 mi US $400 |
Fuel injector replaced |
| 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 |
| 27900 mi C $182 |
... turbo charger replaced under warranty(was leaking oil)and schedule maintenantce at 48000km |
| 50000 mi | Car Turbo broke. With total cost of repair it was too expensive to fix. Decided to get a new car. |
| 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. |
| 14880 mi | Motor was a bit noisy at ignition. Replaced one of timing belt sprocket. |
| 44000 mi US $593 |
Rattle in engine; ACTR.VARia;Washer; Bolt.Lock replaced. |
| 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 |
| 8000 mi | Acceleration / throttle response not consistent |
| 6000 mi | Car bucked during acceleration. Replaced O2 sensor Reflashed Power Control Module and Transmission Control Module |
| 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. |
| 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. |
| 43000 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. |
| 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. |
| 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. |
| 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 . |
| 3000 mi | flash of software on ECU and TCM |
2007 Mazda CX-7 4dr SUV
turbocharged 244hp 2.3L I4 6-speed shiftable automatic AWD
| 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 |
| 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. |
| 71300 mi C $790 |
Replaced EGR valve. |
| 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 |
| 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. |
| 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.. |
| 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. |
| 4 mi | Replaced gas cap, no charge |
| 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. |
| 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. |
| 3000 mi | Re-flashing the PCM, because of "Lack of power" TSB |
| 27000 mi US $5 |
Bad gas cap. New one ordered. |
| 1000 mi | TSB to flash the computer to address slow downs under 2500 RPM. |
| 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. |
| 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 | The turbo on the car broke and had to be replaced |
| 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. |
| 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. |
| 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 |
| 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. |
| 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. |
| 38440 mi | oil leaking; seal to be replaced seal replaced |
| 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. |
| 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. |
| 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 |
| 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. |
| 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. |
| 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 |
2007 Mazda CX-7 4-door
turbocharged 4-cylinder automatic AWD
| 5000 mi | Check engine light was on, they could not replicate the emissions leak. |
| 125000 mi US $1600 |
Variable gear mechanism broke and timing belt went out. Noted timing belt concerns, loud knocking earlier |
| 60140 mi C $1400 |
VVT replaced under warranty. |
2007 Mazda CX-7 4-door
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. |
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