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U2181 Engine Trouble Code

Meaning of U2181 engine trouble code is a kind of network trouble code and when your car's 'U2181 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.

U2181 Fault Symptoms :

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

If one of these reasons for U2181 code is occuring now you should check U2181 repair processes.
Now don't ask yourself; What should you do with U2181 code ?
The solution is here :

U2181 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.

U2181 Code Meaning :

U	2	1	8	1
OBD-II Diagnostic Network (U) Trouble Code For Engine	Fuel And Air Metering (Injector Circuit Malfunctions Only)	Fuel Rail/System Pressure - Too High	Ignition/Distributor Engine Speed Input Circuit Malfunction	Crankshaft Position Sensor A Circuit Low Input

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.

U2181 OBD-II Diagnostic Network (U) Trouble Code Description

U2181 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Main reason For U2181 Code

The reason of U2181 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

Parts or components should not be replaced with reference to only a U2181 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0140