Toyota 4500 U0821 Engine Trouble Code
Toyota 4500 U0821 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.
Toyota 4500 U0821 Code Meaning :
OBD-II Diagnostic Network (U) Trouble Code For Engine
Intake Valve Control Solenoid Circuit Low
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Toyota 4500 car engine light came on code U0821 the reason should be . However manufacturer may have a different definition for the U0821 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U0821 OBD-II Diagnostic Network (U) Trouble Code Description
U0821 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For U0821 Code
The reason of U0821 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.U0821 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.
U0820 Previous Engine Trouble Code For Toyota 4500 | Next Engine Trouble Code For Toyota 4500 U0822 |