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U0785 Engine Trouble Code

Meaning of U0785 engine trouble code is a kind of network trouble code and U0785 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.

U0785 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 U0785 code is occuring now you should check U0785 repair processes.
Now don't ask yourself; What should you do with U0785 code ?
The solution is here :

U0785 Possible Solution:

U0785 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.

U0785 Code Meaning :

U 0 7 8 5
OBD-II Diagnostic Network (U) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Rail Pressure Sensor Circuit Malfunction Ignition/Distributor Engine Speed Input Circuit Malfunction Crankshaft Position Sensor B Circuit Malfunction

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.

U0785 OBD-II Diagnostic Network (U) Trouble Code Description

U0785 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Main reason For U0785 Code

The reason of U0785 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

U0785 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.