Common Symptoms
- Check Engine Light illuminated
- Rough idle or engine stalling
- Poor acceleration and lack of power
- Black smoke from exhaust under acceleration
- Poor fuel economy
- Engine hesitation during acceleration
Most Likely Root Causes
- Dirty or contaminated MAF sensor element
- Air intake leak between MAF sensor and engine
- Damaged or corroded MAF sensor wiring harness
- Failed MAF sensor
- Low battery voltage affecting sensor operation
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Component Location
The MAF sensor is located in the intake air duct between the air filter housing and the throttle body.
Manufacturer Notes
Some manufacturers recommend using only OEM-approved MAF sensor cleaners as harsh chemicals can damage the sensing element.
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