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1998 Mitsubishi Eclipse Problems, Reliability & Owner's Guide

Common problems with the 1998 Mitsubishi Eclipse, reliability ratings, maintenance tips, and owner reviews. Get your complete owner's guide.

Overview

The 1998 Mitsubishi Eclipse is a sporty compact coupe (also sold as a convertible Spyder) aimed at drivers who want sharp styling and an engaging drive without the cost of a European sport coupe. It belongs to the second-generation Eclipse (1995–1999), known for its rounded “2G” design and a broad range of trims from commuter-friendly to turbocharged performance. In the late-1990s sport compact market, the Eclipse stood out for its available turbo power, tuner potential, and distinctive looks. It’s ideal for enthusiasts who can keep up with maintenance, as well as buyers who want a stylish daily driver with the right pre-purchase checks.

Key Features

1) Engine choices for different budgets: a 2.0L naturally aspirated 4-cylinder (commonly rated around 140 hp) in GS/RS trims, and a 2.0L turbocharged 4-cylinder (commonly rated around 210 hp) in GS-T and AWD GSX trims. 2) Available all-wheel drive performance: the GSX pairs the turbo engine with AWD for improved traction and strong year-round drivability, making it a standout among late-1990s coupes. 3) Manual or automatic transmissions: many buyers seek the 5-speed manual for better reliability feel and performance, while automatics are more common in commuter-oriented trims. 4) Sporty chassis and strong aftermarket: responsive handling, a low seating position, and wide parts availability make it popular for restoration, mild builds, or period-correct modifications. 5) Eclipse Spyder option: buyers wanting open-top driving could choose the Spyder body style (availability varies by trim), adding style but also more areas to inspect for leaks and wear.

Common Issues & Reliability

Shoppers researching 1998 Mitsubishi Eclipse problems, 1998 Mitsubishi Eclipse reliability, and 1998 Mitsubishi Eclipse common issues should know that condition and maintenance history matter more than mileage alone on a 25+ year old sport compact. 1) Timing belt and related components: On the 2.0L engines, neglected timing belt service can lead to major engine damage. Many owners report failures when service is overdue, often in the 60,000–90,000 mile range if it wasn’t replaced on schedule. Always confirm the belt, tensioner, and water pump were done together. 2) Turbo and boost-related leaks (turbo models): GS-T/GSX models can develop boost leaks from aging vacuum lines, cracked couplers, or worn intercooler piping. Some owners also report turbo wear (smoke, oil consumption, weak boost) as mileage climbs past roughly 120,000–160,000 miles, especially on modified cars. 3) Automatic transmission wear and shift issues: Some automatics exhibit slipping, harsh shifts, or delayed engagement as mileage increases, commonly showing up beyond 100,000 miles if fluid service was ignored. A thorough test drive and clean fluid are critical. 4) Cooling system and overheating: Radiators, hoses, and thermostat-related issues can cause overheating in older Eclipses. Plastic end-tanks can weaken with age, and an overheating event can quickly turn into a head gasket concern if not addressed.

Frequently Asked Questions

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