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Audi S8 B0504 Engine Trouble Code

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.

Audi S8 B0504 Code Meaning :

B 0 5 0 4
OBD-II Diagnostic Body (B) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Composition Sensor Circuit Malfunction Cold Start Injector 1 Malfunction Timing Reference High Resolution Signal A Too Many Pulses
Audi S8 Engine

When you check Audi S8 car engine light came on code B0504 the reason should be . However manufacturer may have a different definition for the B0504 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B0504 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for B0504 code is occuring now you should check B0504 repair processes.
Now don't ask yourself; What should you do with B0504 code ?
The solution is here :

Audi S8 B0504 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.

B0504 OBD-II Diagnostic Body (B) Trouble Code Description

B0504 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For B0504 Code

The reason of B0504 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a B0504 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.