1991 Mitsubishi Mighty max problems

Common 1991 Mitsubishi Mighty max problems

The Mitsubishi Mighty Max, produced in the 1991 model year, is known to have several common problems that owners have reported. These issues include transmission problems, engine oil leaks, rust on body panels, alternator and starter issues, and acceleration issues due to faulty fuel injectors.

One of the most common issues reported by owners of the 1991 Mitsubishi Mighty Max is transmission problems. Many owners have reported issues with shifting, including difficulty shifting into and out of gears, as well as slipping or jerking during acceleration. These issues are often attributed to faulty transmission components, problems with the clutch or hydraulic system, or issues with the transmission control module. These problems can lead to difficulty driving the vehicle and can potentially cause more serious engine damage if not addressed promptly.

Another common issue reported by owners of the 1991 Mitsubishi Mighty Max is engine oil leaks. Many of these trucks are prone to leaking oil from the valve cover gasket, which can result in low oil levels and potential engine damage if not addressed promptly. This issue is often caused by wear and tear on the gasket over time and can be exacerbated by high mileage or lack of maintenance.

Rust on body panels is also a common problem with the 1991 Mitsubishi Mighty Max, especially in areas with high humidity or salt exposure. This issue can affect the appearance and structural integrity of the vehicle and can be difficult and expensive to repair.

Some owners of the 1991 Mitsubishi Mighty Max have reported issues with the alternator and starter, which can lead to difficulty starting or a dead battery. These issues can be caused by wear and tear on the components or by issues with the electrical system.

Finally, some owners of the 1991 Mitsubishi Mighty Max have reported acceleration issues due to faulty fuel injectors. This can cause poor fuel economy, as well as hesitation or stalling during acceleration. These issues can be caused by wear and tear on the fuel injectors or by issues with the fuel system.

Despite these common problems, many owners of the 1991 Mitsubishi Mighty Max report good reliability and durability, with some using their trucks for well over 200,000 miles. The improved suspension and upgraded engines of these models make them popular among truck enthusiasts, and they continue to be sought after today by those in need of a reliable work truck.

In addition to these common problems, some owners of the 1991 Mitsubishi Mighty Max have reported issues with no power under load, backfiring, and fuel pressure or ignition problems. These issues can be caused by a variety of factors, including clogged fuel injectors, faulty ignition systems, or issues with the electrical system. Some owners have reported that connecting harnesses on the passenger side of the firewall, which connect to the tachometer when installed, can improve the performance of the vehicle. However, the exact cause of these issues can be difficult to diagnose and may require the assistance of a professional mechanic.

Overall, the 1991 Mitsubishi Mighty Max is known to have several common problems that owners have reported. These issues include transmission problems, engine oil leaks, rust on body panels, alternator and starter issues, and acceleration issues due to faulty fuel injectors. Despite these issues, many owners report good reliability and durability from these trucks, with some using them for well over 200,000 miles. However, it is important for owners to be aware of these common problems and to address them promptly in order to ensure the safety and longevity of their vehicles.

What engine is in a 1991 Mighty Max?

Used 1991 Mitsubishi Mighty Max Pickup Regular Cab Base - Specs & Features

Engine
Base engine size	2.4 L
Cylinders	Inline 4
Base engine type	Gas
Horsepower	116 hp @ 5,000 rpm

Why won't my 1991 Mitsubishi Mighty Max start?

The most common reasons a Mitsubishi Mighty Max won't start are a dead battery, an alternator problem, or failed starter.

What engine is in a Mitsubishi Mighty Max?

The Mighty Max relied on the 2.4-liter inline 4-cylinder engine for power. It was rated at 116 horsepower at 5000 rpm and 136 ft. -lb. of torque at 3500 rpm.

What was last year for Mitsubishi Mighty Max?

A: The Mitsubishi Triton / Mighty Max was sold for model years 1978 to 2021.

1991 Mitsubishi Mighty max car problems categorized by type of issue

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

• Electrical system problems
• Seat belts problems
• Tires problems
• Unknown or other problems
• Power train problems

The graph below shows statistics for all 1991 Mitsubishi Mighty max vehicle components and the number of complaints received.