📖 What Does P0102 Mean?
The mass air flow sensor is reading lower than expected. This can cause the engine to run rich.
Symptoms
Rich fuel mixture, black smoke, poor fuel economy, rough idle, stalling, flooding.
Common Causes
Faulty mass air flow sensor, wiring short to ground, air leak before sensor, contaminated sensor.
Possible Solutions
Replace mass air flow sensor, repair wiring shorts, fix air leaks before sensor, clean sensor element.
Recommended Parts & Tools
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Frequently Asked Questions about P0102
How serious is P0102?
This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.
Can I drive with P0102?
You can typically drive short distances, but have it diagnosed as soon as possible.
How much does it cost to fix P0102?
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 P0102
Fuel and Air Metering Code P0100
Mass Air Flow Sensor Circuit Range/Performance Problem
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