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The 1987 Buick Regal Coupe is a classic American muscle car built by General Motors in Pontiac, Michigan. It features a 3.8-liter V6 engine with multipoint fuel injection, delivering a robust performance. With its stylish two-door design, this gasoline-powered car is a standout from the era.

Decoded VIN:

Make

BUICK

Manufacturer Name

GENERAL MOTORS LLC

Model

Regal

Model Year

1987

Plant City

PONTIAC

Vehicle Type

PASSENGER CAR

Plant Country

UNITED STATES (USA)

Plant Company Name

Pontiac Assembly

Plant State

MICHIGAN

Body Class

Coupe

Doors

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

Displacement (CC)

3800.0

Displacement (CI)

231.89022755998

Displacement (L)

3.8

Fuel Type - Primary

Gasoline

Engine Configuration

V-Shaped

Fuel Delivery / Fuel Injection Type

Multipoint Fuel Injection (MPFI)

Engine Manufacturer

BOCF

Seat Belt Type

Manual

Most common problems:

Oil leaks

Common in older vehicles, oil leaks can occur around valve cover gaskets, oil pan gaskets, and other seals.

Overheating

V6 engines can sometimes overheat due to issues with the radiator, water pump, or coolant leaks.

Ignition system problems

Faulty spark plugs, ignition coils, or distributor cap can lead to misfiring and poor engine performance.

Vacuum leaks

Vacuum leaks can cause rough idling and poor fuel economy, often due to brittle or cracked hoses.

Timing chain/belt wear

Over time, the timing chain or belt can wear out, leading to poor engine timing and potential engine damage.

Fuel injector issues

Clogged or malfunctioning fuel injectors can cause poor fuel delivery and engine performance issues.

Exhaust manifold cracks

Heat and age can cause the exhaust manifold to crack, leading to exhaust leaks and increased engine noise.

Sensor failures

Older models may experience issues with sensors such as the oxygen sensor, impacting fuel efficiency and emissions.

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