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 MANUALSPONTIAC1991FIREBIRD FORMULA, 5.0 F, STANDARD, M39REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSTESTINGCRUISE CONTROL ISOLATION TESTNOTES
1991 Pontiac Firebird Formula, 5.0 F, Standard, M39
Cruise Control Isolation Test: Notes
1991 Pontiac Firebird Formula, 5.0 F, Standard, M39SECTION Notes
NOTE:
On Century, Cutlass Ciera, Cutlass Cruiser and 6000 models with V6 engines, cruise control module is located behind left side of instrument panel above accelerator pedal. On Camaro and Firebird, cruise control module is located behind right hand side of instrument panel. On all models, multifunction lever connector is located behind left side of instrument panel below steering column.
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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.