Diagnosing P0101 in the 2022 Acura ILX
A P0101 diagnostic code in your 2022 Acura ILX signals that the Mass Air Flow sensor circuit is operating outside expected parameters. As the final model year, the ILX continues with its proven 2.4L i-VTEC engine requiring accurate MAF data.
MAF Sensor Function
The 2022 ILX's 2.4L engine uses MAF sensor data for fuel delivery and i-VTEC operation. This naturally aspirated powertrain has proven reliable, with MAF issues typically relating to maintenance rather than design problems.
Observable Symptoms
- Check engine warning light
- Rough or inconsistent idle
- Power delivery issues
- Decreased fuel efficiency
- Hesitation during acceleration
- Engine running rough
Cause Analysis
- Dirty MAF Sensor (48%) - Contamination on sensor element
- Air Filter Issues (28%) - Restricted or damaged filter
- Intake Leaks (14%) - Unmetered air entry
- Sensor Malfunction (7%) - Internal MAF failure
- Electrical Faults (3%) - Wiring or connector problems
Diagnostic Process
Inspect the air intake tract thoroughly. Check the air filter condition. Clean the MAF sensor with dedicated cleaner. Monitor live data using Honda/Acura diagnostic equipment.
Cost Breakdown
MAF cleaner runs $10-15. Dealer diagnosis costs $120-170. Quality replacement sensors range $130-220. Air filter replacement costs $25-50.
DIY Assessment
MAF cleaning is DIY-friendly on the ILX. Air filter replacement requires no special tools. The straightforward intake design allows easy maintenance access.