C3646 Engine Trouble Code
Meaning of C3646 engine trouble code is : C3646 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.
C3646 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.
C3646 Code Meaning :
|OBD-II Diagnostic Chassis (C) Trouble Code For Engine||Ignition System Or Misfire||Fuel Temperature Sensor B Circuit Range/Performance||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||Ignition Coil A Primary/Secondary Circuit Malfunction|
Regarding the C3646 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.
C3646 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC3646 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.
Reason For C3646 CodeThe reason of C3646 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.
C3646 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.