p0101
Moderate
Opel · Sedans & Hatchbacks
Mass Air Flow Sensor Range/Performance
Quick Answer
Error code P0101 on your Opel Sedans & Hatchbacks means: Mass Air Flow Sensor Range/Performance. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect and replace air filter if needed
2
Clean MAF sensor with proper solvent
3
Check for intake air leaks
4
Test MAF sensor output with scanner
5
Replace MAF sensor if cleaning unsuccessful
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Air filter
MAF sensor
MAF sensor cleaner
Intake gasket
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