U0166 Engine Trouble Code
Meaning of U0166 engine trouble code is a kind of network trouble code and U0166 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.
U0166 Fault Symptoms :
If one of these reasons for U0166 code is occuring now you should check U0166 repair processes.
Now don't ask yourself; What should you do with U0166 code ?
The solution is here :
U0166 Possible Solution:
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.
U0166 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Fuel Rail/System Pressure - Too High||Cylinder 4 Contribution/Balance Fault||Ignition Coil A Primary/Secondary 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.
U0166 OBD-II Diagnostic Network (U) Trouble Code DescriptionU0166 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.
Main reason For U0166 CodeThe reason of U0166 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.
U0166 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.