Nissan Sentra U1878 Engine Trouble Code
Nissan Sentra U1878 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.
Nissan Sentra U1878 Code Meaning :
OBD-II Diagnostic Network (U) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Nissan Sentra car engine light came on code U1878 the reason should be . However manufacturer may have a different definition for the U1878 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U1878 OBD-II Diagnostic Network (U) Trouble Code Description
U1878 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For U1878 Code
The reason of U1878 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.U1878 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.
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