1991 Mazda Mx-3 problems

General information about Mazda-Mx-3
Overview of popular issues

The Mazda MX-3 is a 2+2-seat, front-wheel drive coupé of a kammback design, manufactured and marketed by Mazda. It was first introduced at the Geneva Auto Show in March 1991 and marketed until 1998.

The MX-3 was also marketed as the Mazda MX-3 Precidia in Canada and as the Eunos Presso, Autozam AZ-3 and Mazda AZ-3 in Japan. In Australia it was marketed as the Eunos 30X until late 1996 when it became the Mazda-Eunos 30X.

History

The MX-3's platform is called the EC platform, and shares much with the BG platform of the contemporary Familia/323/Protegé. The first model year was available in Japan, Europe, Australia, and North America where it went on sale in September 1991, as a 1992. Originally available with a single-cam 1.6-liter inline-four or the 1.8-liter twin-cam V6, a few more engines were available as development continued. In the summer of 1991, the Autozam AZ-3 was added to the Japanese market lineup. It was known by two names;"Autozam" was meant to be Mazda's more youthful brand, so it combined a somewhat lower price with a sportier (but smaller) twin-cam 1.5-liter four-cylinder engine, and also sold as the Eunos Presso, a companion, affordable sports hatchback to the Eunos Roadster.

The small displacement V6 was offered to set the small coupé apart in the marketplace, while providing a balanced, smooth running engine. Project Manager Tadayuki Hayashi had also used to be an avid motorcyclist and enjoyed engines with a peaky power delivery - the little V6 delivered its peak torque at an unusually high 5,300 rpm.

In January 1994, a DOHC version of the familiar B6 engine, the B6D, replaced the previous version. This provided a useful power increase but conversely also made the considerably more expensive V6 version less desirable. Sales of the V6 in the United States market came to an end after the 1994 model year, although they continued in Canada, Japan and many other export markets. While called K8-DE in North American specs, Japanese and other markets received an engine called the K8-ZE. Aside from emissions equipment and varying power claims due to myriad ratings methods, the differences are negligible.

Mazda referred to the car as a four-seater, but the rear seats were ostensibly designed to hold people of "AF 50" dimensions (50th percentile, Asian Female) and the car was a de facto 2+2 design. The MX-3 was only manufactured for one generation as the MX-5 proved more popular. As the Japanese asset price bubble effects became noticeable, Mazda had to cut back models that weren't selling well and the MX-3 was cancelled.

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Common 1991 Mazda Mx-3 problems

The Mazda MX-3, produced from 1991 to 1998, is known for its fun-to-drive nature and innovative features. However, like any car, it has its share of common problems that owners have reported.

One of the most common issues with the MX-3 is related to its engines. The car was available with several engine options, including a 1.5L SOHC I4, a 1.6L DOHC I4, and a 1.8L DOHC V6. Each of these engines has its own set of issues. For instance, the 1.8L V6 engine, which was used in the GS model, is known to have problems with overheating and oil leaks. These issues can be caused by a malfunctioning thermostat or a cracked engine block. Additionally, some owners reported issues with the timing belt tensioner, which can lead to premature wear and failure.

Another common issue with the MX-3 is related to its fuel consumption. Some owners have reported poor fuel economy, which can be caused by a variety of factors, such as a clogged air filter, a malfunctioning oxygen sensor, or problems with the fuel system. This issue can be particularly pronounced in the 1.8L V6 engine, which is known to have higher fuel consumption than other engines in the MX-3 lineup.

The MX-3 is also known to have issues with its automatic transmissions, particularly in early models. The automatic transmission was prone to failure, which could result in costly repairs. However, manual transmissions are generally reliable, with few reported issues.

The timing belt tensioner is another common issue that can cause problems if it fails. This component is responsible for maintaining the correct tension on the timing belt, which is critical for the proper operation of the engine. If the tensioner fails, it can cause the timing belt to slip or break, which can result in engine damage.

In addition to these engine and transmission issues, the MX-3 is known to have several other common problems. For example, some owners reported issues with the power steering system, which can fail and result in difficulty turning the wheel. The brakes can also be a problem, with some owners reporting issues with the brake pads and rotors, which can wear out quickly and require frequent replacement.

The electrical components, such as the alternator and starter, are also prone to failure. This can result in the car not starting, which can be a significant inconvenience. Finally, body rust is a common problem with the MX-3, especially in areas with harsh climates or road salt.

Despite these common issues, the MX-3 remains a popular sports car that provides a thrilling driving experience. It's important for owners to be aware of these issues and to take steps to address them promptly in order to ensure that their MX-3 remains reliable and performs at its best. Regular maintenance and addressing issues as they arise are crucial to keeping the MX-3 running smoothly for years to come.