U1798 Engine Trouble Code
When you check engine light came on code U1798 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the U1798 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U1798 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.
U1798 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Fuel And Air Metering||Throttle/Pedal Position Sensor/Switch A Circuit Intermittent||Cylinder 4 Contribution/Balance Fault||Timing Reference High Resolution Signal A Too Many Pulses|
Regarding the U1798 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.
U1798 OBD-II Diagnostic Network (U) Trouble Code DescriptionU1798 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.
Reason For U1798 CodeThe reason of U1798 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.
U1798 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.