Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC1987FIERO BASE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - PFIADJUSTMENTSMINIMUM IDLE SPEED ADJUSTMENTNOTES
1987 Pontiac Fiero Base, Automatic
Minimum Idle Speed Adjustment: Notes
1987 Pontiac Fiero Base, AutomaticSECTION Notes
NOTE:
This adjustment should be necessary only when the throttle body or throttle body parts have been replaced. All idle speeds, hot or cold, are controlled by the idle air control valve. It is considered normal for idle speeds to vary. On 2.0L and Fiero 2.8L engines minimum idle speed is not adjustable.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.