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Mazda3 Wrong Exhaust Valve Spring Can Stall Engine

NHTSA campaign 17V745000 · Reported Nov 21, 2017 · Mazda North American Operations

high How serious is it? About this label

An engine stall while driving can increase the risk of a crash. The notice does not tell owners to stop driving.

Key facts

NHTSA campaign number	17V745000
Reported to NHTSA	Nov 21, 2017
Manufacturer	Mazda North American Operations
Part affected	Engine And Engine Cooling:exhaust System
Vehicles covered	1 model/year combination, model years 2018
Do-not-drive advisory	No
Park-outside advisory	No
Repair	Free at any franchised dealer

What's wrong, in plain English

Certain Mazda3 vehicles were built with an incorrect exhaust valve spring inside the engine. This spring may fail while the vehicle is being driven. If it fails, the engine can suddenly stall, meaning it shuts off while you are driving.

What you should do

Check your VIN at nhtsa.gov/recalls to see if your vehicle is affected.
Contact a Mazda dealer to schedule an inspection; call Mazda customer service at 1-800-222-5500 if you have questions.
The inspection and any needed repair are free.

Where do I find my VIN, and what do I tell the dealer?

Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 17V745000. More in how recalls work.

Affected vehicles (1)

2018 Mazda MAZDA3

Who to contact

Mazda — official Mazda recall lookup

Customer service: 1-800-222-5500

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

Other Mazda MAZDA3 recalls

May 29, 2025Mazda3 and CX-30 Air Bags May Not Deployhigh
Sep 3, 2024Mazda Camera Fault May Disable Safety Systemshigh
Oct 26, 2023Mazda3 Backup Camera Display May Go Blankmedium
Jul 14, 2023Mazda3 and CX-3 Rearview Camera May Malfunctionhigh
Nov 12, 2021Mazda Fuel Pump May Fail and Stall Enginehigh
Feb 22, 2021Mazda3 and CX-30 Tire Valves May Leak Aircritical

All 15 MAZDA3 recalls

Official notice

Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Summary: Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3 vehicles, equipped with an incorrect exhaust valve spring. The incorrect exhaust valve spring may fail while driving, potentially causing an engine stall.
Safety risk: An engine stall can increase the risk of a crash.
Remedy: Mazda will notify owners, and dealers will inspect the engines and replace any incorrect exhaust valve springs, free of charge. The recall is expected to begin January 20, 2018. Owners may contact Mazda customer service at 1-800-222-5500. Mazda's number for this recall is 1717K.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.