P0102
Mass Air Flow (MAF) Circuit Low Input
2005-2009 Saab 9-7X 4.2L I6 🇨🇦
Moderate SeverityPowertrain
Description
The MAF sensor signal voltage is lower than the minimum expected value.
Symptoms
- Check Engine Light
- Loss of power
- Rich fuel condition
- Black smoke
Common Causes
- Faulty MAF sensor
- Short in signal wire
- Disconnected sensor
- Contaminated sensor element
Diagnostic Steps
- Check MAF sensor connector
- Test signal voltage
- Inspect wiring for shorts to ground
- Test sensor output
Repair Notes
Replace MAF sensor or repair wiring.
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
P0102 on Other Vehicles
Common Questions
What does code P0102 mean on a 2005-2009 Saab 9-7X?
P0102 stands for "Mass Air Flow (MAF) Circuit Low Input". The MAF sensor signal voltage is lower than the minimum expected value.
What are the symptoms of P0102 on a Saab 9-7X?
Common symptoms of P0102 include: Check Engine Light, Loss of power, Rich fuel condition, Black smoke.
What causes P0102 on a 2005-2009 Saab 9-7X?
Common causes of P0102 include: Faulty MAF sensor, Short in signal wire, Disconnected sensor, Contaminated sensor element.