Porsche 3400 U120C Engine Trouble Code
Porsche 3400 U120C 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.
Porsche 3400 U120C Code Meaning :
OBD-II Diagnostic Network (U) 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 Porsche 3400 car engine light came on code U120C the reason should be . However manufacturer may have a different definition for the U120C OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U120C OBD-II Diagnostic Network (U) Trouble Code Description
U120C engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For U120C Code
The reason of U120C OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.U120C 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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