The Lemon IndexThe air flow sensor isn't reporting properly, so the computer guesses how much fuel to add.
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
Failed or dirty MAF sensor. Then: wiring or connector fault; air leak after the sensor.
Owners named P0100 in 6 complaints to the U.S. government, most often on the Ford.
The details
What P0100 means
The air flow sensor isn't reporting properly, so the computer guesses how much fuel to add.
Can I drive with P0100?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
33% of the owner complaints that name P0100 also say the car brakes or ABS act up. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0100
- Failed or dirty MAF sensor
- Wiring or connector fault
- Air leak after the sensor
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Brakes or ABS act up: 33% of complaints
- Stalls or shuts off: 33% of complaints
- Loses power or goes into limp mode: 33% of complaints
Share of complaints naming the code whose text also mentions each problem.
Related codes
P0101 P0102 P0106 P0107 P0108 P0113 P0117 P0120
Quick answers
What does P0100 mean?
Mass or Volume Air Flow Sensor A Circuit. The air flow sensor isn't reporting properly, so the computer guesses how much fuel to add.
Can I drive with P0100?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
What causes P0100?
Failed or dirty MAF sensor; Wiring or connector fault; Air leak after the sensor.
Counts: NHTSA owner complaints whose text names P0100. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.