Code
P1141
VW / Audi MAF
Mass airflow sensor implausible signal
The MAF reading is not plausible for the operating conditions.
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Most likely causes
- Dirty MAF
- Intake leak
- Faulty MAF
- Clogged air filter
Symptoms you may notice
- Check engine light
- Poor power
- Rough idle
Checks to run
- Clean the MAF
- Check the air filter
- Compare live MAF values
Tools you may need
MAF cleaner
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.