Abraham Jewett ย |ย  August 26, 2024

Category: Auto News
Close up of Mazda emblem on a front bumper, representing the Mazda class action.
(Photo Credit: OATZ To Go FACTORY/Shutterstock)

Mazda class action lawsuit overview:ย 

  • Who: Plaintiff Matt Cauller filed a class action lawsuit against Mazda Motor of America Inc. d/b/a Mazda North American Operations and Mazda Motor Corporation.ย 
  • Why: Cauller claims Mazda knowingly sold certain vehicles with a dangerous engine defect.ย 
  • Where: The class action lawsuit was filed in California federal court.ย 

A new class action lawsuit alleges that Mazda knowingly exposed the purchasers of hundreds of thousands of vehicles to a dangerous engine defect.ย 

Plaintiff Matt Caullerโ€™s class action lawsuit claims Mazda failed to disclose that its SKYACTIV-G 2.5T engines equipped in certain of its model year 2018-2021 Mazda6, 2021-2024 Mazda3 and CX-30, 2016-2023 CX-9, 2019-2024 CX-5, and 2022-2024 CX-50 vehicles were defective.ย 

Cauller says the alleged engine defect causes the engine to leak coolant, which causes the engine to overheat and leads to โ€œcatastrophic engine failure.โ€ย 

โ€œBecause of the Engine Defect, Mazdaโ€™s advertising about the safety and dependability of the Class Vehicles is untrue and materially misleading,โ€ the Mazda class action says.ย 

Cauller wants to represent a class of South Carolina consumers who purchased or leased in the state a class vehicle with a SKYACTIV-G 2.5T engine.ย 

Mazda admits existence of engine defect, class action claimsย 

Mazda has admitted to the existence of the engine defect via a series of technical service bulletins, yet has failed to warn consumers, extend the vehiclesโ€™ warranty, or issue a recall, the Mazda class action alleges.ย 

โ€œMazda has long known of the Engine Defect. It has amassed years of research, data, and Engine Defect warranty claims,โ€ the Mazda class action claims.ย 

Cauller claims Mazda is guilty of unjust enrichment and fraudulent omission and violating Southย  Carolinaโ€™s Unfair Trade Practices Act and state codes regarding breach of express warranty and breach of implied warranty of merchantability.ย 

The plaintiff demands a jury trial and requests declaratory and injunctive relief and an award of actual and statutory damages for himself and all class members.ย 

A group of consumers filed a separate class action lawsuit against Mazda earlier this year over claims the automaker sold certain vehicles equipped with defective infotainment systems.

Have you purchased a Mazda vehicle equipped with a SKYACTIV-G 2.5T engine? Let us know in the comments.

The plaintiffs are represented by Timothy G. Blood, Paula R. Brown and Jennifer L. MacPherson of Blood Hurst & Oโ€™Reardon, LLP and W. Daniel โ€œDeeโ€ Miles, III, H. Clay Barnett, III, J. Mitch Williams, Dylan T. Martin and Trent H. Mann of Beasley, Allen, Crow, Methvin, Portis & Miles, P.C.ย 

The Mazda class action lawsuit is Cauller, et al. v. Mazda Motor of America Inc., Case No. 8:24-cv-01807, in the U.S. District Court for the Central District of California.


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520 thoughts onMazda class action claims thousands of vehicles have engine defect

  1. Greg Gorodetsky says:

    I own 2017 Mazda CX9 with a SKYACTIV-G 2.5T engine and Iโ€™m constantly stressed in expectation of the engine failure.

  2. Tara Galan says:

    I just purchased a brand new CX five less than a week ago and my engine coolant light keeps coming on not certain what I should be doing going forwardโ€ฆ.

  3. Felice Wyche says:

    Leased a CX-30 in July. The other day the push button wouldnโ€™t start the car. I had to try 6 times before it started. Iโ€™m also having a really bad time trying to use the entertainment system. Is this related?

  4. Monica Capehart says:

    I am currently making payments on a 2016 Mazda 6 tht I purchased on 2022. I have noticed that I now smell coolant and the traction light comes on and the car will not move. I have the SKYACTIVE 2.5 ENGINE. I will check further n see if it has the T on the engine.

  5. Shannon Leahy-Miller says:

    I just purchased a 2024 CX-5. I bought it because my 2017 Lincoln MKC had the coolant leaking into the engine problem the same as stated here. How are car companies all having the same issue?

  6. jason swisher says:

    i have a 2019 cx5 that has been back to the gatsge nultiple times for engine,transmission and brake sensor issues,i will never buy another mazda

  7. Carlos Lozoya says:

    There are a lot of reported issues on Reddit, carcomplaints.com, etc.. the issue seems to happen mostly after the power train warranty has expired. I follow the CX-9 posts, sinceiown a 2018 model.

  8. Geri Cozby says:

    I currently own a 2023 Mazda CX-30

    1. Gus says:

      Good luck to you.

  9. Karen Campanini says:

    I have a 2024 CX5 I bought 2 months ago. Several issues including undercarriage vibration/noise, loud engine, speaker cutting out, transmission slipping, and outrageously sensitive paint finish. Iโ€™ve taken back to dealer who state they cannot duplicate service problems and quoted me $2600 for an inch long scratch- that should never have scratched so severely on the first place. I have other scuffs as well and Iโ€™ve been incredibly careful as itโ€™s my first ever brand new vehicle. This finish will depreciate my vehicle in value significantly and continuously. Iโ€™m terrified for anything to touch it. I donโ€™t know what to doโ€ฆ.

  10. David says:

    Mazda tech here, sounds like this is talking about a part called the coolant control valve which does exactly what the name implies. It is a known issue at least within the shop.

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