Common problems

Common problems is an overview of frequently reported issues, failures, and maintenance concerns on the Pontiac Fiero.

This page is intended to help owners identify common symptoms, understand likely causes, and find related repair or diagnostic articles.

Engine and drivetrain

• No-start diagnosis
• Ignition module failure
• Fuel pump problems
• Vacuum leaks
• Idle problems
• Clutch problems
• Automatic transmission problems

Cooling system

• Overheating
• Coolant filling procedure
• Air in cooling system
• Radiator fan problems
• Thermostat problems
• Coolant pipe damage

Electrical system

• Ground problems
• Battery drain
• Charging system problems
• Headlight motor problems
• Instrument cluster problems
• Tail light problems

Suspension, brakes, and steering

• Brake problems
• Parking brake problems
• Wheel bearing problems
• Steering rack problems
• Suspension bushing wear

Body and interior

• Water leaks
• Door hinge wear
• Power window problems
• Seat track problems
• Sunroof problems

Notes

Many Fiero problems are age-related rather than design-related. Diagnosis should always be based on symptoms, inspection, testing, and service history.