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.
2001 Pontiac Firebird Formula, AutomaticFACTORY OEM SERVICE PROCEDURE
Diagnostic Procedures
- Perform POWERTRAIN DIAGNOSTIC SYSTEM CHECK under DIAGNOSTIC SYSTEM CHECKS. If DTC or driveability concerns were repaired using powertrain diagnostic system check, go to step 3. If no DTC or driveability concerns were repaired using powertrain diagnostic system check, go to next step.
- Check for applicable Technical Service Bulletins (TSB) for software updates that may prevent I/M readiness. Perform any reprogramming or repairs indicated by TSBs. If reprogramming or repair service is required, go to INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE under PROGRAMMING. If reprogramming or repair service is not required, go to next step.
- Using scan tool, observe I/M SYSTEM STATUS display. If more than one test indicates a NO status, go to INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE under DRIVE CYCLES. If only one test indicates a NO status, go to appropriate I/M system set procedure for the indicated system in appropriate SYSTEM & COMPONENT TESTING article.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.