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The 1988 Pontiac Fiero is a classic coupe with a 2.5L inline-4 engine, featuring throttle body fuel injection. Manufactured by General Motors in Pontiac, Michigan, this two-door sports car combines lightweight design with nimble handling. Perfect for enthusiasts seeking a blend of vintage style and performance.

Decoded VIN:

Make

PONTIAC

Manufacturer Name

GENERAL MOTORS LLC

Model

Fiero

Model Year

1988

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)

2500.0

Displacement (CI)

152.55936023683

Displacement (L)

2.5

Engine Configuration

In-Line

Fuel Delivery / Fuel Injection Type

Throttle Body Fuel Injection (TBI)

Engine Manufacturer

CPC

Seat Belt Type

Manual

Most common problems:

Overheating

The Pontiac Fiero, especially with an in-line 4-cylinder engine, is known for overheating issues due to poor coolant flow and inadequate cooling system design.

Oil leaks

The CPC in-line 4-cylinder engines in the Fiero can develop oil leaks around the valve cover gasket and oil pan gasket over time.

Ignition system problems

Older ignition components such as the distributor, spark plugs, and ignition coil can wear out, leading to misfires and poor engine performance.

Vacuum leaks

The aging vacuum hoses and connections on the Fiero's engine can crack or become loose, causing rough idling and performance issues.

Timing belt/chain issues

The timing belt or chain can wear out or become misaligned, leading to poor engine timing, misfires, or even engine failure if not addressed.

Fuel system problems

Fuel injectors and fuel pumps can become clogged or fail, leading to poor fuel delivery and engine performance issues.

Head gasket failure

The CPC in-line 4-cylinder engines in the Fiero can suffer from head gasket failures, which can cause coolant leaks, overheating, and loss of engine compression.

Exhaust manifold cracks

The exhaust manifold in the Fiero can crack due to heat stress, leading to exhaust leaks and decreased engine efficiency.

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