P0107
MAP/BARO Pressure Circuit Low Input
2003-2003 Mazda B2300 2.3L I4
Moderate SeverityPowertrainGeneric (SAE)
The 2003 Mazda B2300 is equipped with a 2.3L inline-4 engine. Below you'll find detailed p0107 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The MAP sensor signal voltage is below the minimum expected value.
Symptoms
- Check Engine Light
- Rich running
- Black smoke
- Loss of power
Common Causes
- Short to ground in MAP circuit
- Faulty MAP sensor
- Disconnected vacuum hose
Diagnostic Steps
- Test MAP voltage
- Check for shorts to ground
- Verify vacuum hose connection
Repair Notes
Repair wiring or replace MAP sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0107 on Other Vehicles
Common Questions
What does code P0107 mean on a 2003-2003 Mazda B2300?
P0107 stands for "MAP/BARO Pressure Circuit Low Input". The MAP sensor signal voltage is below the minimum expected value.
What are the symptoms of P0107 on a Mazda B2300?
Common symptoms of P0107 include: Check Engine Light, Rich running, Black smoke, Loss of power.
What causes P0107 on a 2003-2003 Mazda B2300?
Common causes of P0107 include: Short to ground in MAP circuit, Faulty MAP sensor, Disconnected vacuum hose.
Last updated: March 2026