P2176 Buick Throttle Actuator Control System Idle Position Not Learned

P2177 Buick System Too Lean Off Idle (Bank 1)

OBD Code:
System:
Subsystem:
 P2177 Buick – (ASE)
 Powertrain
 Fuel and Air Metering

Trouble Code Description: System Too Lean Off Idle (Bank 1)


Location:
Analysis:

Possible Causes:

 Bank 1
 Out of Expected Range – Too Lean

 

Tech description:

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera