P0256 Buick Injection Pump Fuel Metering Control B (Camshaft / Rotor / Injector)

P0257 Buick Injection Pump Fuel Metering Control B Range / Performance (Camshaft / Rotor / Injector)

OBD Code:
System:
Subsystem:
 P0257 Buick – (ASE)
 Powertrain
 Fuel and Air Metering

Trouble Code Description: Injection Pump Fuel Metering Control B Range / Performance (Camshaft / Rotor / Injector)


Location:
Analysis:

Possible Causes:

 Control B
 Out of Expected Range

 

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