U1140 Engine Trouble Code
Meaning of U1140 engine trouble code is : U1140 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 $2,000 and you can't do it yourself unless you're an experienced mechanic.
U1140 Possible Solution:
The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.
U1140 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Fuel And Air Metering||Fuel Rail/System Pressure - Too High||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||Shift Solenoid E Performance or Stuck Off|
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.
U1140 OBD-II Diagnostic Network (U) Trouble Code DescriptionU1140 engine trouble code is about Shift Solenoid E Performance or Stuck Off.
Reason For U1140 CodeThe reason of U1140 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.
Parts or components should not be replaced with reference to only a U1140 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.