B3646 Engine Code Repair
Meaning of B3646 engine trouble code is a kind of body trouble code and when your car's 'B3646 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.
B3646 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for B3646 code is occuring now you should check B3646 repair processes.
Now don't ask yourself; What should you do with B3646 code ?
The solution is here :
B3646 Possible Solution:
Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.
B3646 Code Meaning :
OBD-II Diagnostic Body (B) Trouble Code For Engine
Ignition System Or Misfire
Fuel Composition Sensor Circuit Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Crankshaft Position Sensor B Circuit Malfunction
The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.
B3646 OBD-II Diagnostic Body (B) Trouble Code DescriptionB3646 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.
Main reason For B3646 CodeThe reason of B3646 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.
B3646 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.