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U1165 Engine Trouble Code

Meaning of U1165 engine trouble code is a kind of network trouble code and U1165 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 $2,000 and you can't do it yourself unless you're an experienced mechanic.

U1165 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 U1165 code is occuring now you should check U1165 repair processes.
Now don't ask yourself; What should you do with U1165 code ?
The solution is here :

U1165 Possible Solution:

U1165 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

U1165 Code Meaning :

U 1 1 6 5
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering Fuel Rail/System Pressure - Too High Cylinder 4 Contribution/Balance Fault 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.

U1165 OBD-II Diagnostic Network (U) Trouble Code Description

U1165 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Main reason For U1165 Code

The reason of U1165 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

U1165 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.