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

  1. Dbishop says:

    2023 Mazda 3T.

  2. John Gaus says:

    I own a 2022 CX-5 Turbo Signature. I am approaching 20,000 miles in it and thankful to report no issues at all so far.

  3. John G says:

    I own a 2022 CX-5 Turbo Signature. Approaching 20,000 miles on it and thankfully no issues so far.

  4. El B says:

    I bought my 2020 cx5 of July 2023. When I stop the car at a light it feel like the car does a jerk motion and my radio constantly turns itself.

    1. Mazda guy says:

      So take it to the dealer and get it fixed, if the warranty is out its on you, as it should be

  5. Zena says:

    I did buy Mazda cx30 2022 and when I drive up to 45 the car start shaking and I hear the engine voice

    1. Nerfherder says:

      Go home Russian bot

  6. Karl Reiser says:

    What is failing ?
    Head gasket or ?
    My 2020 CX-30 with 2.5 Skyactiv-g has not been listed, why would it be exempt ?

    1. John says:

      Because itโ€™s not the turbo. The class action lawsuit is for the turbo version of the sky active engine. Itโ€™s indicated as 2.5T the T meaning turbo. The regular 2.5 is not on the lawsuit.

  7. Edgar Magana says:

    I bought my 2019 Mazda CX-5 brand new and shortly after I got it sometime within the 1st year of purchase I began having issues with the engine burning through the oil too quickly. I would get engine malfunction and low oil reads even after getting oil changes done. The dealership claimed that they were going to take care of the issue everytime I brought it in and it was never resolved.

    1. Jody Allee says:

      My low oil light came on when I still had 2500 until my next service. I had to add a quart of oil. Are you aware of the current class action suit regarding the valve stem seals?

    2. Justin watts says:

      Same here, it says to change your oil every 7,500mi. But my oil light comes on at 5-6000mi. So now i just change it every 5000.

    3. Nerfherder says:

      This class action suit is not related to your issues.

  8. Toni Mckelvey says:

    2017 mazda skyactive

  9. Anya Vages says:

    How do I join?

    1. Jody Allee says:

      I want to know too

  10. Dylan Martinez says:

    I have a 2018 Mazda 6 with the 2.5T.

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