Check U2146 Engine Code
When you check engine light came on code U2146 the reason should be . However your vehicle's manufacturer may have a different definition for the U2146 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
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 $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
U2146 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.
U2146 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Fuel And Air Metering (Injector Circuit Malfunctions Only)||Fuel Rail/System Pressure - Too High||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||Ignition Coil A Primary/Secondary 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.
U2146 OBD-II Diagnostic Network (U) Trouble Code DescriptionU2146 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.
Reason For U2146 CodeThe reason of U2146 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.
Parts or components should not be replaced with reference to only a U2146 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.