Holden Vectra P120B Engine Trouble Code
Holden Vectra P120B if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.
Holden Vectra P120B Code Meaning :
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Crankshaft Position Sensor A Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High

When you check Holden Vectra car engine light came on code P120B the reason should be . However manufacturer may have a different definition for the P120B OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P120B OBD-II Diagnostic Powertrain (P) Trouble Code Description
P120B engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For P120B Code
The reason of P120B OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.P120B code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.
P120A Previous Engine Trouble Code For Holden Vectra | Next Engine Trouble Code For Holden Vectra P120C |