MAF Sensor Out of Self-Test Range
2016-2016 Ford Explorer 3.5L V6 EcoBoost
The 2016 Ford Explorer is equipped with a 3.5L V6 turbocharged gasoline engine. Below you'll find detailed p1101 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The Mass Air Flow sensor reading is outside the expected range during the PCM self-test. The sensor value does not match expected parameters for the current engine operating conditions.
Symptoms
- Check Engine Light
- Poor idle quality
- Hesitation
- Poor fuel economy
- Black smoke from exhaust
Common Causes
- Dirty MAF sensor
- Vacuum leak after MAF sensor
- Restricted air filter
- Faulty MAF sensor
- Intake air leak
Diagnostic Steps
- Check and replace air filter if dirty
- Inspect intake ductwork for leaks between MAF and throttle body
- Clean MAF sensor element with MAF cleaner spray
- Check for vacuum leaks using smoke test
- Compare MAF readings to known-good values at idle and 2500 RPM
Repair Notes
Clean or replace MAF sensor. Repair any intake air leaks.
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
P1101 on Other Vehicles
Common Questions
What does code P1101 mean on a 2016-2016 Ford Explorer?
P1101 stands for "MAF Sensor Out of Self-Test Range". The Mass Air Flow sensor reading is outside the expected range during the PCM self-test. The sensor value does not match expected parameters for the current engine operating conditions.
What are the symptoms of P1101 on a Ford Explorer?
Common symptoms of P1101 include: Check Engine Light, Poor idle quality, Hesitation, Poor fuel economy, Black smoke from exhaust.
What causes P1101 on a 2016-2016 Ford Explorer?
Common causes of P1101 include: Dirty MAF sensor, Vacuum leak after MAF sensor, Restricted air filter, Faulty MAF sensor, Intake air leak.
Last updated: March 2026
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