Equipment Problems of Toyota Matrix - part 2

Sudden acceleration in 2008 Matrix automatic: first known failure. Car brought new in September 2007; odometer: 6000 miles. While driving approximately 35 mph on even straight smooth roadway, there was a sudden acceleration to greater than 70 mph. When brakes were applied, they depressed to floor without any effect. Car continued to accelerate rapidly. Shifted to neutral without success. Car slowed after being placed in reverse. Coasted to a stop. Placed gear in 2 and drove slowly home - approximately 1/2 mile. Floor mats were not near either pedal and were kept stationary by hooks designed to keep mats from shifting. Called Toyota service department: told that floor mats were the problem; talked to service managers who stated that the sequence of events described were impossible, no problems were known to exist for Matrix and greater than 99% of sudden acceleration problems were due to driver error. After a discussion, the car was evaluated by the service department. The following was reported: floor mats held in proper place no objects on floor normal brake pedal operation normal accelerator pedal operation health check - powertrain, chassis, electrical, network systems - ok computer codes - no abnormalities found normal throttle body inspection tires with normal wear & function problem was not duplicated on test drive. Was told that the car is functioning normally in all areas and has no problems. Implied that my experience was a misperception or misrepresentation. Assessment: there was a significant malfunction in the Matrix which could have led to critical injuries or loss of life. Only due to the traffic flow at precisely that moment, no one was injured. The Toyota service departments denied that the problem exists. Recommendation: sudden unexpected acceleration should be investigated until an answer /solution is found. The findings should be shared with the public. The cost for repairs should be paid by Toyota.

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Engine stalls, check engine light comes on, diagnosis via computer leads you to different fix's. My 2006 Matrix has been in the shop for almost two weeks. I had this same problem, I took it to my local mechanic and they diagnosed it (via the computer), and said it was two burnt coils ($560. 00). Problem still exists, so they checked it again and said it was a vacuum leak (fixed for free) problem still exists. Then they said it was a pinched wire, etc. They finally had to call a Toyota dealer and seek help. They were then told of the computer problem. According to my mechanic, the computer is under warranty to 80,000 miles, I have 88,000. My mechanic is pressing them to fix it under warranty.

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We own a 2005 Toyota Matrix awd xr with a factory installed moon roof. It has been to the dealer 2 times for a rattle in the roof. 1st diagnosis: found roof support to be slightly loose due to lack of spot weld, bent lip of support down and applied foam to all points of contact. 2nd diagnosis: support braces are lacking insulation and sealer, causing them to be noisy over bumps. Vehicle is back from the 2nd repair and still has the rattle noise. We are concerned that the roof supports not being correct in the manufacturing process may make the car less structurally sound now or in the future as the insulation wears down. The service manager said this lack of insulation a problem they have been seeing in the cars.

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Takata recall. I've been receiving recall notices for this vehicle for years. I have been attempting to have three issues resolved, only one of which is the takata airbag problem. I have attempted to make an appointment for the repairs at the nearest Toyota dealer to me (about a 2. 5 hour-rt drive from my home) for the past year+, but I am repeatedly told that they are awaiting the part(s) for the takata airbag repair. To make things worse, I constantly receive flyers from Toyota urging me to have the repairs done ASAP. I would like to. But apparently, Toyota is having problems getting the parts to their dealerships. In the meanwhile, I'm driving a potentially dangerous car.

See all problems of the 2004 Toyota Matrix 🔎.