Powertrain
generic / SAE
P2281
Air Leak Between MAF and Throttle Body
The ECU detects unmetered air entering between the mass airflow sensor and the throttle body. The actual airflow into the engine is greater than what the MAF measures, leading to lean conditions.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 81
Possible causes
- Cracked or torn intake hose high
- Loose hose clamp medium
Symptoms
- Check engine light on
- Power loss, hesitation under acceleration
- Rough or unstable idle
- Increased fuel consumption
- Possible difficulty starting
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–250 €
- Estimated time: 0.3–1.5 h
- Component: intake duct
- Component: throttle body
- Component: mass air flow sensor
- Component: intake hose
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012