Logo

C0993 Engine Trouble Code

Meaning of C0993 engine trouble code is : C0993 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.

C0993 Possible Solution:

C0993 Engine

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

C0993 Code Meaning :

C 0 9 9 3
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Injector Circuit Malfunction - Cylinders Crankshaft Position Sensor A Circuit Malfunction Exhaust Gas Recirculation Sensor B Circuit High

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

C0993 OBD-II Diagnostic Chassis (C) Trouble Code Description

C0993 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For C0993 Code

The reason of C0993 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

Parts or components should not be replaced with reference to only a C0993 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.