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U2723 Engine Trouble Code

Meaning of U2723 engine trouble code is a kind of network trouble code and U2723 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.

U2723 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for U2723 code is occuring now you should check U2723 repair processes.
Now don't ask yourself; What should you do with U2723 code ?
The solution is here :

U2723 Possible Solution:

U2723 Engine

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.

U2723 Code Meaning :

U 2 7 2 3
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Rail Pressure Sensor Circuit Malfunction Turbocharger Boost Sensor A Circuit Low 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.

U2723 OBD-II Diagnostic Network (U) Trouble Code Description

U2723 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For U2723 Code

The reason of U2723 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

U2723 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.