1984 Plymouth Horizon problems

Common 1984 Plymouth Horizon problems

The Plymouth Horizon, manufactured between 1978 and 1990, is a subcompact car that shares its platform with the Dodge Omni. While the Horizon was generally reliable, some common problems emerged over the years based on complaints from owners.

• Engine Oil Leaks: Some Horizon owners reported issues with engine oil leaks, which could be caused by various factors, including worn-out gaskets or seals, damaged oil pans, or faulty oil filters. These leaks, if not addressed promptly, could lead to more severe engine problems, such as reduced performance or even engine failure.

• Suspension and Steering Issues: The Horizon's front MacPherson struts and rear semi-independent suspension were designed for a balance between comfort and handling. However, over time, these components could wear out, leading to poor steering response and a less comfortable ride. In particular, the front struts and rear trailing arms might require replacement due to excessive wear or damage.

• Brake System Failures: The Horizon's brake system, which consists of power-assisted front disc brakes and rear drum brakes, could also develop problems over time. Issues such as worn-out brake pads, damaged brake rotors, or leaking brake lines could lead to reduced braking performance or even complete brake failure. Regular maintenance, including brake inspections and component replacement, is crucial to ensure the Horizon's brake system remains reliable and safe.

• Electrical System Malfunctions: The Horizon's electrical system, which includes the battery, alternator, starter motor, and various sensors and actuators, could also develop problems over time. Issues such as a weak battery, a failing alternator, or a malfunctioning starter motor could lead to starting problems, while faulty sensors or wiring could cause various warning lights to illuminate on the dashboard.

• Rust and Corrosion: Like many cars of its era, the Horizon was susceptible to rust and corrosion, particularly in areas such as the wheel wells, rocker panels, and door sills. Excessive rust could lead to structural weakness, which could compromise the car's safety and reliability. Regular inspections and maintenance, including rust prevention measures, are essential to ensure the Horizon remains in good condition.

• Interior and Exterior Trim Issues: The Horizon's interior and exterior trim could also develop problems over time, such as faded or cracked dashboard materials, loose or broken door handles, or worn-out upholstery. While these issues are primarily cosmetic, they could affect the car's overall appearance and value.

In summary, the Plymouth Horizon, while generally reliable, is not immune to common problems that affect subcompact cars of its era. Regular maintenance, inspections, and repairs are crucial to ensure the Horizon remains safe, reliable, and enjoyable to drive.

Who made the engine in a Plymouth Horizon?

Volkswagen

Their 1980 Horizon came from the early run of the Omni-Horizon twins, before Chrysler even had its own four-cylinder engine for it. As a result, Volkswagen provided the engine–Rabbit engines punched out to 1.7 liters–and four-speed transmissions.

What was the Dodge version of the Plymouth Horizon?

The Dodge Omni and the nearly identical badge engineered variant, the Plymouth Horizon, is a subcompact car manufactured and marketed by Chrysler Corporation for model years 1978-1990.

Was Plymouth owned by Ford?

Plymouth was a brand of automobiles produced by Chrysler Corporation and its successor DaimlerChrysler. The brand was launched in 1928 to compete in what was then described as the "low-priced" market segment that was dominated by Chevrolet and Ford.

What is the sister car of the Plymouth Horizon?

Dodge Omni

The Dodge Omni and the nearly identical badge engineered variant, the Plymouth Horizon, is a subcompact car manufactured and marketed by Chrysler Corporation for model years 1978-1990.

Who made the engine in a Plymouth Horizon?

Volkswagen

Their 1980 Horizon came from the early run of the Omni-Horizon twins, before Chrysler even had its own four-cylinder engine for it. As a result, Volkswagen provided the engine–Rabbit engines punched out to 1.7 liters–and four-speed transmissions.

What car was similar to the Dodge Omni?

With the exception of grilles, taillamps, and model badging, the Dodge Omni and Plymouth Horizon were largely indistinguishable from one another.

What was the Dodge Omni based on?

The Omni was based on a European design from Simca, which itself was almost a dead ringer for the Volkswagen Golf (Rabbit in the U.S.). Contrary to popular belief, the the Omni was not a K-car design, it was an L-body (the K-cars wouldn't be introduced until 1981, 3 years after the Omni).

Was Plymouth made by Ford?

Plymouth was a brand of automobiles produced by Chrysler Corporation and its successor DaimlerChrysler. The brand was launched in 1928 to compete in what was then described as the "low-priced" market segment that was dominated by Chevrolet and Ford. It became a high-volume seller for the automaker until the late 1990s.

1984 Plymouth Horizon car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Plymouth Horizon problems, we found that the most common problems with these 2023 model year vehicles are:

• Fuel system problems
• Gasoline problems
• Vehicle speed control problems

The graph below shows statistics for all 1984 Plymouth Horizon vehicle components and the number of complaints received.