P1106moderate severityPowertrain
BARO Sensor Circuit Range/Performance
on 1997 Acura RL 3.5L V6 · AWD
What this code means
The BARO sensor signal is outside expected range or not responding to atmospheric changes.
Symptoms
- CEL
- Poor fuel economy
- Rough idle
- Hesitation
- Poor altitude performance
Common causes
- Faulty BARO sensor
- Intake manifold vacuum leak
- Damaged wiring
- Faulty PCM
Diagnostic steps
- Test BARO sensor output
- Check for vacuum leaks
- Inspect wiring
- Compare to specs
Repair notes
Replace BARO sensor.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1