U3798 Engine Code Repair
Meaning of U3798 engine trouble code is a kind of network trouble code and U3798 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.
U3798 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for U3798 code is occuring now you should check U3798 repair processes.
Now don't ask yourself; What should you do with U3798 code ?
The solution is here :
U3798 Possible Solution:
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.
U3798 Code Meaning :
U
OBD-II Diagnostic Network (U) Trouble Code For Engine
3
Ignition System Or Misfire
7
Fuel Temperature Sensor B Circuit Range/Performance
9
Ignition/Distributor Engine Speed Input Circuit Malfunction
8
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
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.
U3798 OBD-II Diagnostic Network (U) Trouble Code DescriptionU3798 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.Main reason For U3798 CodeThe reason of U3798 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance. |
U3798 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.