P0101 means your mass air flow (MAF) sensor is sending readings outside the expected range for the current engine speed and throttle position. The ECU uses MAF data to calculate fuel injection, so bad readings cause incorrect air-fuel mixture and poor engine performance.
P0101 means your mass air flow (MAF) sensor is sending readings outside the expected range for the current engine speed and throttle position. The ECU uses MAF data to calculate fuel injection, so bad readings cause incorrect air-fuel mixture and poor engine performance.
P0101 est un code defaut lie a systeme de carburant, classe en gravite moderate. Lorsque le calculateur de ton vehicule detecte cette condition, il enregistre P0101 et allume le voyant moteur.
Si ton vehicule a declenche P0101, tu peux remarquer un ou plusieurs de ces symptomes :
Voici les causes les plus courantes de P0101, classees selon la probabilite qu'elles soient en cause :
En general oui, pour des trajets courts. Driveable but engine may run poorly. The ECU uses estimated airflow values when the MAF signal is unreliable, causing rougher idle, hesitation, and worse fuel economy. Safe to drive to a shop.
Suis ces etapes pour identifier la cause profonde de P0101 :
Les couts de reparation de P0101 varient selon la cause profonde et ton vehicule. Voici des estimations courantes :
Prix estimes au March 2026. Les couts varient selon la region, le vehicule et le garage.
P0101 se comporte differemment selon ton vehicule. Selectionne ta voiture ci-dessous pour des causes propres au modele, les problemes connus et des estimations de couts ajustees :
2007-2024
Nissan's hot-film mass air flow (MAF) sensor is a well-known weak point across the Sentra, Altima, Versa, Qashqai/Rogue and Navara/Frontier, so P0101 on these is very often the MAF sensor itself rather than an air leak. An over-oiled aftermarket air filter is a common trigger. Replace with an OEM Hitachi MAF; cheap aftermarket units frequently re-trigger the code.
2007-2024
The Camry uses a Denso hot-wire MAF sensor. On the 2AR-FE 2.5L, the MAF is easily accessible at the top of the airbox. Cleaning resolves P0101 frequently on this engine. Always use OEM-spec Denso or equivalent replacement if cleaning fails.
2006-2024
Honda uses a Keihin MAF integrated into the airbox on many Civic models. The 1.5T (2016+) is more sensitive to MAF contamination due to the turbo's pressure dynamics. The intake boot between the MAF and turbo inlet is a known failure point for air leaks.
Couts estimes pour les proprietaires de Honda Civicajuste a la baisse par rapport a la moyenne en raison du prix des pieces specifiques a Honda
Prix estimes au March 2026. Les couts varient selon la region, le vehicule et le garage.
2005-2024
VW uses Bosch hot-film MAF sensors. On the EA888, the intake tract has multiple joints and a charge pipe that can develop cracks, causing air leaks after the MAF. The PCV system on EA888 is also a common source of metered air bypass when the diaphragm fails.
Couts estimes pour les proprietaires de Volkswagen Golfajuste a la hausse par rapport a la moyenne en raison du prix des pieces specifiques a Volkswagen
Prix estimes au March 2026. Les couts varient selon la region, le vehicule et le garage.
2006-2024
BMW uses Bosch MAF sensors. The N52 intake boot (between MAF and throttle body) is a notorious failure point. Cracks in the rubber boot allow unmetered air into the engine, causing P0101 alongside lean codes. On N55/B48 turbo models, the charge pipe connection at the intercooler is another leak source.
Couts estimes pour les proprietaires de BMW 3 Seriesajuste a la hausse par rapport a la moyenne en raison du prix des pieces specifiques a BMW
Prix estimes au March 2026. Les couts varient selon la region, le vehicule et le garage.
Ces codes apparaissent souvent avec P0101 ou indiquent des problemes connexes :
Yes, but the engine may run poorly. The ECU uses estimated airflow when the MAF is unreliable, causing rough idle and hesitation. Safe to drive to a shop.
About 50% of the time, yes. Use dedicated MAF sensor cleaner spray. Costs under 15 euros and takes 10 minutes.
The engine runs on a default airflow table. If it runs better unplugged, the sensor is confirmed bad. Don't drive long distances this way.
Yes. A clogged filter changes airflow velocity across the MAF sensor, pushing readings out of range. Replace the filter first. Costs 10-25 euros.
P0101 repair often costs under €15: cleaning the MAF sensor fixes about half of cases. If that fails, replacement runs €70 to €380. Step-by-step fix guide.
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Branche un adaptateur OBD2 Bluetooth standard, scanne les codes et obtiens un diagnostic par IA avec niveaux de gravite et estimations des couts de reparation.
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