P2142 Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit A High

P2143 Buick Exhaust Gas Recirculation (EGR) Vent Control Circuit / Open

OBD Code:
System:
Subsystem:

P2143 Buick – (ASE)
Powertrain
Fuel and Air Metering

Trouble Code Description: Exhaust Gas Recirculation (EGR) Vent Control Circuit / Open

Location:
Analysis:

Possible Causes:

Open Circuit

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