Throttle Actuator Control System Stuck Open
1998-2002 Pontiac Firebird 3.8L V6
Description
The electronic throttle blade is stuck in an open position or not returning to closed.
Symptoms
- High idle
- Engine races
- Check engine light
- Difficult to stop vehicle
Common Causes
- Carbon buildup on throttle bore
- Broken return spring
- Throttle motor failure
- Foreign object in throttle body
Diagnostic Steps
- Visually inspect throttle blade
- Clean throttle body
- Test motor operation
- Check for broken springs
Repair Notes
Clean throttle body. Replace if spring or motor is damaged. Safety-critical repair.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2111 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code P2111 mean on a 1998-2002 Pontiac Firebird?
P2111 stands for "Throttle Actuator Control System Stuck Open". The electronic throttle blade is stuck in an open position or not returning to closed.
What are the symptoms of P2111 on a Pontiac Firebird?
Common symptoms of P2111 include: High idle, Engine races, Check engine light, Difficult to stop vehicle.
What causes P2111 on a 1998-2002 Pontiac Firebird?
Common causes of P2111 include: Carbon buildup on throttle bore, Broken return spring, Throttle motor failure, Foreign object in throttle body.