U0404 Engine Trouble Code
Meaning of U0404 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.
U0404 Fault Symptoms :
If one of these reasons for U0404 code is occuring now you should check U0404 repair processes.
Now don't ask yourself; What should you do with U0404 code ?
The solution is here :
U0404 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.
U0404 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||O2 Sensor Heater Circuit Malfunction||Cold Start Injector 1 Malfunction||Timing Reference High Resolution Signal A Too Many Pulses|
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.
U0404 OBD-II Diagnostic Network (U) Trouble Code DescriptionU0404 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.
Main reason For U0404 CodeThe reason of U0404 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
U0404 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.