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VIN Decoded

1G3WS14T7LD411990

1990 OLDSMOBILE Cutlass Supreme

Vehicle Summary

The 1990 OLDSMOBILE Cutlass Supreme SL is a classic 2-door coupe powered by a 3.1L V6 engine with multipoint fuel injection. Manufactured by GENERAL MOTORS LLC in Doraville, Georgia, this model offers a blend of performance and style. With a gross vehicle weight rating under 6,000 lbs, it's designed for those who appreciate a sleek, powerful ride.

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Make

OLDSMOBILE

Model

Cutlass Supreme

Year

1990

Engine

3.1L

Complete Specifications

23 specs

Make OLDSMOBILE

Manufacturer Name GENERAL MOTORS LLC

Model Cutlass Supreme

Model Year 1990

Plant City DORAVILLE

Trim SL

Vehicle Type PASSENGER CAR

Plant Country UNITED STATES (USA)

Plant Company Name NA-MCD

Plant State GEORGIA

Body Class Coupe

Doors 2

Gross Vehicle Weight Rating From Class 1: 6,000 lb or less (2,722 kg or less)

Gross Vehicle Weight Rating To Class 1: 6,000 lb or less (2,722 kg or less)

Engine Number of Cylinders 6

Displacement (CC) 3100.0

Displacement (CI) 189.17360669367

Displacement (L) 3.1

Fuel Type - Primary Gasoline

Engine Configuration V-Shaped

Fuel Delivery / Fuel Injection Type Multipoint Fuel Injection (MPFI)

Engine Manufacturer CPC

Seat Belt Type Automatic

Known Issues for This Vehicle

Oil leaks

Oil leaks can develop around valve covers, oil pan, or other gaskets due to aging seals and gaskets.

Overheating

Overheating can occur due to a failing water pump, clogged radiator, or a malfunctioning thermostat.

Ignition issues

Problems with the ignition system, such as failing spark plugs or a faulty ignition coil, can cause misfires or starting issues.

Fuel system problems

A clogged fuel filter or failing fuel pump can lead to poor engine performance or stalling.

Timing chain/belt issues

Wear and tear on the timing chain or belt can lead to improper engine timing, resulting in poor performance or engine damage.

Vacuum leaks

Vacuum leaks can occur in hoses and gaskets, leading to rough idling or stalling.

Intake manifold gasket failure

The intake manifold gasket can fail, causing coolant or air leaks and affecting engine performance.

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