U1284 Engine Error Code
When you check engine light came on code U1284 the reason should be . However your vehicle's manufacturer may have a different definition for the U1284 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on your car models.
U1284 Code Symptoms
Parts or components should not be replaced with reference to only a DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.
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.
U1284 OBD-II Diagnostic Network (U) Trouble Code Descriptionso you have to check ODB-II Engine Error Code list.
U1284 Code Review :The reason of U1284 OBD-II Engine Error Code is .
U1284 Code Dictionary Meaning:
u - Network Code - Problem is climate control system, lighting, airbags, etc.
1 - MFG - Manufacturer Specific
2 - Computer And Auxiliary Outputs
8 - Crankshaft Position Sensor Circuit Performance
4 - Cruise Vehicle Speed/Set Speed Difference Too High