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U1998 Engine Trouble Code

Meaning of U1998 engine trouble code is a kind of network trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

U1998 Fault Symptoms :

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

If one of these reasons for U1998 code is occuring now you should check U1998 repair processes.
Now don't ask yourself; What should you do with U1998 code ?
The solution is here :

U1998 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.

U1998 Code Meaning :

U	1	9	9	8
OBD-II Diagnostic Network (U) Trouble Code For Engine	Fuel And Air Metering	Injector Circuit Malfunction - Cylinders	Crankshaft Position Sensor A Circuit Malfunction	Clutch Position Sensor Circuit Malfunction

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

U1998 OBD-II Diagnostic Network (U) Trouble Code Description

U1998 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Main reason For U1998 Code

The reason of U1998 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

Parts or components should not be replaced with reference to only a U1998 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0140