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U2046 Engine Code Repair

Meaning of U2046 engine trouble code is a kind of network trouble code and U2046 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.

U2046 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 U2046 code is occuring now you should check U2046 repair processes.
Now don't ask yourself; What should you do with U2046 code ?
The solution is here :

U2046 Possible Solution:

U2046 Engine

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.

U2046 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

0
Injector Circuit Malfunction - Cylinders

4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

6
Crankshaft Position Sensor B Circuit Malfunction

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

U2046 OBD-II Diagnostic Network (U) Trouble Code Description

U2046 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Main reason For U2046 Code

The reason of U2046 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

U2046 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.