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P0943 Engine Trouble Code

Meaning of P0943 engine trouble code is a kind of powertrain trouble code and P0943 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.

P0943 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for P0943 code is occuring now you should check P0943 repair processes.
Now don't ask yourself; What should you do with P0943 code ?
The solution is here :

P0943 Possible Solution:

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

P0943 Code Meaning :

P	0	9	4	3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Injector Circuit Malfunction - Cylinders	Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)	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.

P0943 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0943 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For P0943 Code

The reason of P0943 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

P0943 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

	Example: 0140