📖 What Does P0101 Mean?
The mass air flow sensor is not reading within the expected range. This sensor measures the amount of air entering the engine.
Symptoms
Rough idle, stalling, poor acceleration, black smoke from exhaust, poor fuel economy, hesitation.
Common Causes
Dirty or faulty mass air flow sensor, air leaks after the sensor, damaged wiring, clogged air filter.
Possible Solutions
Clean mass air flow sensor with MAF cleaner, replace air filter, check for air leaks, replace MAF sensor if cleaning fails.
Recommended Parts & Tools
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Frequently Asked Questions about P0101
How serious is P0101?
This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.
Can I drive with P0101?
You can typically drive short distances, but have it diagnosed as soon as possible.
How much does it cost to fix P0101?
Repair costs vary depending on the root cause, but typically range from $100-300 including parts and labor.
Related Diagnostic Codes
Other codes that may appear with P0101
Fuel and Air Metering Code P0100
Mass Air Flow Sensor Circuit Low Input
Mass Air Flow Sensor Circuit High Input
Fuel and Air Metering Code P0104
System Too Lean Bank 1
System Too Lean Bank 2
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system