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C2643 Engine Trouble Code

Meaning of C2643 engine trouble code is a kind of chassis trouble code and when the check engine light comes C2643 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

C2643 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for C2643 code is occuring now you should check C2643 repair processes.
Now don't ask yourself; What should you do with C2643 code ?
The solution is here :

C2643 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.

C2643 Code Meaning :

C	2	6	4	3
OBD-II Diagnostic Chassis (C) Trouble Code For Engine	Fuel And Air Metering (Injector Circuit Malfunctions Only)	Fuel Temperature Sensor B Circuit Range/Performance	Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)	Exhaust Gas Recirculation Sensor B Circuit High

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.

C2643 OBD-II Diagnostic Chassis (C) Trouble Code Description

C2643 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For C2643 Code

The reason of C2643 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

C2643 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

	Example: 0140