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U1394 Engine Code Repair

Meaning of U1394 engine trouble code is a kind of network trouble code and U1394 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.

U1394 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 U1394 code is occuring now you should check U1394 repair processes.
Now don't ask yourself; What should you do with U1394 code ?
The solution is here :

U1394 Possible Solution:

U1394 Engine

The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. The firing order for a particular engine is typically found in the repair manual specific to that model.

U1394 Code Meaning :

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

1
Fuel And Air Metering

3
Manifold Absolute Pressure/Barometric Pressure Circuit High Input

9
Ignition/Distributor Engine Speed Input Circuit Malfunction

4
Exhaust Gas Recirculation Sensor B Circuit High

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.

U1394 OBD-II Diagnostic Network (U) Trouble Code Description

U1394 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For U1394 Code

The reason of U1394 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

U1394 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.