P0129low severityPowertrain
Barometric Pressure Too Low
on 2005 Dodge Viper 8.3L V10 · RWD
What this code means
The barometric pressure sensor is reporting a value that is lower than expected. This affects fuel and timing calculations.
Symptoms
- Check engine light on
- Poor fuel economy
- Hesitation or rough running
Common causes
- Faulty barometric pressure sensor
- Vacuum leak affecting MAP reading
- Wiring or connector fault
- Faulty PCM
Diagnostic steps
- Read barometric pressure value with scan tool
- Compare to known local barometric pressure
- Inspect sensor wiring and connector
- Replace sensor if faulty
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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
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1