NHTSA — Engine And Engine Cooling: Exhaust System: Emission Control: Catalytic Convertor Problems

CarComplaints.com Seal Of

9.9

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
175 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Mazda MAZDA6 exhaust system problems

exhaust system problem

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2003 Mazda MAZDA6 Owner Comments

problem #4

Mar 102004

MAZDA6 6-cyl

  • Automatic transmission
  • miles

A D V E R T I S E M E N T S

My car has been giving off a rotten egg odo for 8 months now since I have purchased ths vehicle. Everyone who rides in my car including myself get physically sick due to the smell.

- Norwood, PA, USA

problem #3

Dec 092003

MAZDA6

  • miles
Sulfur odor coming from car. I contacted the dealership within the first few months of ownership and they said it was because of the gasoline being used and it would eventually go away. Well, now there is 26,000 miles on the vehicle and the smell is still evident, if not even worse.

- Battle Creek, MI, USA

problem #2

Oct 272003

MAZDA6

  • miles
Rotten egg smell from exaust. Dealer showed me Mazda's service bulliten which states it comes from higher sulfer gas, and will dissipate by 10,000 miles. Now have almost 8,000 miles with no lessening of smell regardless of gas used. (slight improvement with amoco) someone inky had newer catlysts installed by Mazda with good results. This should be done across the board for anyone with this problem.

- Alexandria, VA, USA

problem #1

Sep 082003

MAZDA6 6-cyl

  • Automatic transmission
  • 700 miles
Sulfur (rotten egg) smell in vehicle cabin. Dealer said no fix from Mazda related to exhaust issue, several complaints, issue lasts up to 8K miles. Car has less than 800 miles.

- Canton, MI, USA

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