U0940 Engine Trouble Code
Meaning of U0940 engine trouble code is a kind of network trouble code and when your car's 'U0940 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.
U0940 Fault Symptoms :
If one of these reasons for U0940 code is occuring now you should check U0940 repair processes.
Now don't ask yourself; What should you do with U0940 code ?
The solution is here :
U0940 Possible Solution:
Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. If the plug wires are out of sequence, the explosion occurs at the wrong time. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. As a result, the engine stutters or backfires, if it runs at all.
U0940 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Injector Circuit Malfunction - Cylinders||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||Shift Solenoid E Performance or Stuck Off|
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.
U0940 OBD-II Diagnostic Network (U) Trouble Code DescriptionU0940 engine trouble code is about Shift Solenoid E Performance or Stuck Off.
Main reason For U0940 CodeThe reason of U0940 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
U0940 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.