P0192moderate severityPowertrain
Fuel Rail Pressure Sensor Circuit Low Input
on 2005-2008 Audi S4 4.2L V8 · AWD
What this code means
Low voltage from the fuel rail pressure sensor.
Symptoms
- Check Engine Light
- Engine may not start
Common causes
- Short to ground
- Faulty sensor
- Low fuel pressure
Diagnostic steps
- Test circuit voltage
- Check for shorts
- Test fuel pressure
Repair notes
Repair or replace.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1