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1990

• Inagural model year of the DSM.
• Pop-up headlights.
• Some high-end models had wheel covers.
• All ECUs had EPROMs.
• Front brakes change during the model year.
• 1.8L models have the 4G37 engine, all others have the 4G63 engine.

1991

• ECU changes mean that 1991+ ECUs don't operate the 1990 tachometer correctly.
• Most ECUs had EPROMs.
• First model year with ABS available. ABS not available with limited-slip differential (LSD).
• All high-end models had alloy or mesh wheels.
• First year of the Galant VR-4 - 2000 sold in the American market.

1992

• Non-popup headlights introduced on all models.
• The first AWD Lasers were introduced.
• Few (or no) ECUs have EPROMs.
• ABS now available with LSD.
• The engine changes from the 6-bolt version to the 7-bolt version in April.
• Second and final year of the Galant VR-4 - 1000 sold in the American market.
• The last year of the Dodge 2000GTX.

1993

• "Big brake" 2-piston front calipers become standard on turbo models.
• 7-bolt engines are now standard.
• No ECUs have EPROMs.
• Diamond-Star Motors ceases to exist.

1994

• All cars built to California emissions standards - there are no "Federal" cars.
• The last year of the 1G car and the 1.8L NT models.
• The last year of the Plymouth Laser.

1995

• The inagural year of the 2G DSM.
• Significant changes to the engine, body, and electronics.
• New transmissions.
• All ECUs have EPROMs.
• Non-turbo models are based on the Chrysler 420A engine instead of the Mitsubishi 4G63 engine.
• OBD-II becomes standard on DSMs, along with two oxygen sensors.
• Mitsubishi begins using some substandard crankshafts, leading to crank walk on some 2G cars.

1996

• The first year of the convertible Spyder.
• The Mitsubishi 4G64 engine is offered, in the Spyder models only.
• ECUs stop having EPROMs.

1997

• Additional body changes from the 1995/1996 models.
• Minor changes to the ECU code.

1998

• Minor changes to the ECU code.
• After many years, Mitsubishi finally issues a recall on the AWD DSM transfer case.

1999

• The last year of the 2G car, and of the 4G63/AWD DSM platform.
• The last year of the Eagle Talon. Chrysler drops the Eagle marque.

2000+

• 2000 - The first year of the 3G Eclipse.
• 2002 - The first year of the Lancer (non-Evolution) in the United States and Canada.
• 2003 - The first year of the Lancer Evolution in the U.S.A.
• 2004? - The first year of the Lancer Evolution in Canada?