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Kia Optima U1111 Engine Trouble Code

When your car's 'Kia Optima U1111 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.

Kia Optima U1111 Code Meaning :

U	1	1	1	1
OBD-II Diagnostic Network (U) Trouble Code For Engine	Fuel And Air Metering	Fuel Rail/System Pressure - Too High	Engine Shutoff Solenoid Malfunction	Crankshaft Position Sensor A Circuit Low Input

When you check Kia Optima car engine light came on code U1111 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the U1111 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U1111 Fault Symptoms :

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

If one of these reasons for U1111 code is occuring now you should check U1111 repair processes.
Now don't ask yourself; What should you do with U1111 code ?
The solution is here :

Kia Optima U1111 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

U1111 OBD-II Diagnostic Network (U) Trouble Code Description

U1111 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Reason For U1111 Code

The reason of U1111 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

Parts or components should not be replaced with reference to only a U1111 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0120