Mazda CX-7 loss of power problems

Filed Feb 19, 2019 · Engine · 115,466 miles · VA

The motor started running hot and losing power and I shut it off. The vehicle was towed to a garage and was scanned on computer and only showed code for steering wheel angle. The mechanic pulled the coils and plugs and checked for spark and installed new plugs and all coils operated normally. Compression was checked and was low in all cylinders around 70-80 psi. Plugs and coils were reinstalled and intercooler put back on. Car is in a no start condition, car was taken to closest mazda dealer and they said they would not fix problem since someone had been in the motor. The mechanic called their service department and told them exactly what had been done and they said they would not make it right. The car has 115000 miles and has numerous recalls for the vvt timing chain, turbo, engine, and they have tsb's for these issues and still play dumb. I want my motor fixed by mazda at mazda's expense since there are so many complaints and issues with these vehicles and mazda knows about it and still doesn't want to make things right.

Filed Jan 31, 2018 · Acceleration, Engine · 59,400 miles · FL

Tl* the contact inquired about a 2013 mazda cx-7. The contact stated that the vehicle experienced a lack of acceleration and reduced engine power. Also, the traction control warning indicator illuminated. The dealer was not contacted. The manufacturer was not notified. The failure mileage was approximately 59,400.

Filed Jul 13, 2017 · Acceleration, Engine · 74,000 miles · WA

I lost power to my 2010 mazda cx7 while going 60 mp downhill in a mountain pass. My car went from 60 mp to 40 mp in about 30 seconds. I immediately pulled over as black smoke poured out of my tail pipe and had the car towed. My mechanic said the turbo was blown, which cause the car's oil to completely burn up, causing damage to the timing chain and engine. All of the oil was gone in a matter of a few miles. The car had been up to date on all maintenance. A new turbo and engine was needed on a car that had 74,000 miles on it.

Filed May 12, 2017 · Engine · 156,000 miles · WA

When starting the vehicle there is a loud sound coming from the engine for 2-3 seconds . It doesn't happen all the time, but it sounds like a card going through bicycle spokes and is accompanied by a high rev sound . This sound also happens when driving directly after the vehicle automatically shifts into a new gear, and is accompanied by a loss of power until the rev sound and card in spokes sound. Mazda corporation has been notified of all reports I have made, and I didn't know of this site to report until recently. I have reported addition defect s to mazda corp as well but do not have the details at this time. That is the reason for submitting them all at this time.

Filed Apr 17, 2016 · Electrical, Engine · 108,000 miles · CT

Was driving and all of a sudden lost power and a howling noise no check engine light came on. Pulled over to see what it was and nothing visible no leaks nothing. Had my wife hit the has and no noise. Stared driving and noise came back and white smoke. Just had an oil change done and next oil change due in about 1000 miles. Drove about 20 MPH to get home check oil and it was ok. The white smoke makes me think the turbo went on my car. I just purchased this car in october of 2015. It's been back to the shop for electric problems with the key and radio that still not resolved. Radio shuts off and beeps that key is not in car.

Filed Jan 8, 2016 · Engine, Transmission · 77,000 miles · CO

While driving on colorado state highway 91 at approx 55 MPH, the vehicle suddenly died. The engine ceased working, all systems ceased immediately. I was unable even to safely pull the car onto the shoulder, the loss of power was so complete and so sudden. The vehicle was 200 miles from my home, and 250 miles from the closest dealer at that point, so I had it towed to the closest garage that would look at it, about 60 miles away. That garage evaluated the car and stated that the timing chain had broken and a new engine would be required, at approximately $6,000 to $8,000. I phoned the closest mazda dealer, in denver, and asked what they recommended. They also stated the engine would have to be replaced, at a cost of $8,000 to $9,000. I contacted the garage closest to my home and asked their advice. They stated they had experience replacing the timing chains and repairing engine damage in other vehicles and that they could diagnose whether that was an option. Their guess on cost was between $2,000 and $4,000 if the repair were possible and there was not too much damage to valves. Since the shop that is 25 miles from my home recommended repair at less than 1/2 the cost of the dealer 200 miles from my home, I elected to take it there. Upon research I found 1. The VIN # is one in a series with known timing chain failure, and that a heavier duty one had been issued to replace; 2. The dealer had replaced the vvt previously and should have replaced the timing chain at that time according to service bulletin 01-012/12, but did not replace the timing chain; 3. The failure happened 4 days after the expiration of the engine warranty and 7,000 miles over the 7yr/70,000 mi period; 4. Mazda would not honor the warranty since the repairs were done by an independent shop, not a dealer. Mazda knows that this VIN# is in a range of vehicles with this issue but will not fix.

Filed Dec 7, 2015 · 138,000 miles · CO

While traveling through the state of new mexico, the vehicle A/C compressor locked up causing the serpentine belt to melt and break. This resulted in a loss of power steering and made controlling the vehicle difficult, if not dangerous. Based on other complaints this is a very common problem on 2007-08 mazda cx-7 vehicles and so absolutely be a recall.

Filed Feb 12, 2015 · Engine, Tires · 64,262 miles · CA

Purchased (new) - july 4th, 2011. One month in, the front driver tire blows out on the 55 freeway in costa mesa. The car is driven to the dealer the next day - to have a tire placed on. The price was surely "surprise surprise" - $250.00. We push to know why the tire was so expensive, it's because the size is new for this size vehicle and there's one maker of the tire. Bridgestone. We pay for it begrudgingly, and go about our way. February 6th, 2015, 3 years, 6 months of owning the vehicle. The vehicle history is good, maintenance is excellent (my wife is a therapist for children with autism so that's why vehicle choice was extremely important - traveling client to client in administering therapy sessions) and without warning, she cannot reverse. Car can drive forward, yet is losing power when the automatic attempts to shift from 1st to 2nd gear, so it jumps from first to 3rd. We take the vehicle to browning mazda in cerritos and we are advised that the transmission needs to be replaced ($3,200.00). 3 years 6 months 64,262 miles, excellent maintenance history, & this vehicle needs a new transmission? This felt like a terrible joke. The power train warranty? 3y/60k. Expired just over 4,000 miles ago. We contact mazda (corporate) & are advised later in the day that they would pay half of the ticketed amount. That's still egregious as there wouldn't be a vehicle sold if most buyers knew that at such ridiculously low mileage, the transmission would fail them. We retrieve the vehicle and have it looked at for two more opinions and apparently there are no codes indicating the transmission is bad, yet it's obviously the transmission according to the mechanic as indicated simply by the test drive.

Filed Jul 2, 2014 · Engine · 70,000 miles · AL

Mazda extended the warranty on AC compressors, well, my original compressor failed and was replaced under that original warranty. Exactly 30,000 miles later the replacement compressor failed almost 3 years to the date of the original failure. Mazda is refusing any responsibility for this since now my car is out of warranty. Eventhough the replaced part itself is only 30,000 old. This vehicle is also experiencing timing belt issues and extremely loud engine noise. This particular model year just seems to be a lemon all around. Even the replacement parts are failing. And the company is not holding themselves responsible at all. I've research this particular year and found more than adequate evidence that these vehicles are lemons. The same issues are being reported across the world! And mazda is doing nothing. The hazards they are causing are tremendous! Some failures have resulted in fires, quick loss of engine power at high speeds and thousands of dollars in repairs. My car was paid off less than a week before this second compressor malfunctioned. How many cars have had 2 AC compressors in a matter of 6-7 years?? And how many engines can completely fail in the matter of 7 years? Everyday when I start my car it sounds like a diesel engine; popping and clanking noises project for the hood like it's a semi. That's just bad craftsmanship and bad business. Mazda should be held accountable. The recalls should be extended to 100,000 and 10 years at least. These vehicles should be built to last. And a multi billion dollar company should be made to fix their mistakes before someone gets hurt or worse, killed because of their neglect.

Filed Jun 19, 2014 · Engine · 72,000 miles · NC

Driving to work on interstate truck lost power and had to roll to side of the road until it finally stopped rolling. Had truck towed to local mazda dealer, service manager stated the timing chain broke and would need to be replaced. Advised manager to fix the timing chain at a cost 1700.00, notified two days later timing chain was fixed however when the timing chain broke a piece went into the engine and "broke' it. I was advised could have repaired for 8,000.00. Could not afford it, had truck towed home and it has remained parked for 4 years, and yes I still owed on it. Have researched online and see the thousands and thousands of complaints about the truck same year make and model and same issue. Please look into this matter. Please please please..mazda cx7 are unsafe, I could have been killed if the truck cut off in front of 18 wheeler. This is my second complaint submission about this issue to your branch, and reading online I am not the only on that has submitted this claim to you. Please please please please get this truck off the road!!!!!