P0100

Mass or Volume Air Flow "A" Circuit Malfunction

DTC P0100, sometimes indicated as P010000 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing mass or volume air flow "a" circuit malfunction.

The P0100 code means that the Mass Air Flow (MAF) sensor has detected a problem with the airflow into the engine. This can be caused by a blocked air filter, a leak in the air intake system, or a malfunctioning MAF sensor.
The first step in solving this problem is to check the air filter and make sure it is clean and free of obstruction. If the air filter is clean, then you will need to check the rest of the air intake system for leaks. If there are no leaks, then the MAF sensor may be defective and need to be replaced.

  • P0100: Mass or Volume Air Flow A Circuit Malfunction
  • P0100: Mass or Volume Air Flow "A" Circuit Malfunction
  • P0100: Mass or Volume Air Flow "A" Circuit
  • P0100: MAF or VAF A Circuit Malfunction
  • P0100: Mass air flow (MAF) sensor/volume air flow (VAF) sensor – circuit malfunction
  • P0100 00: Incorrect signal from air flow meter
  • P0100 00: Mass air flow (MAF) sensor/volume air flow (VAF) sensor - circuit malfunction

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • 03035 - ELECTRICAL SYSTEM
    NISSAN: Malfunction indicator lamp on with diagnostic trouble code P0102/P1102 stored. *scc diagnostic trouble code P0100 stored as well. *tt
  • ITB01029 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
    INFINITI: Information on engine running rough, engine surging and low engine power with mailfunction indicator lamp on with diagnostic trouble code P0100 (mass airflow sensor - mafs) stored. *tt
  • NTB01036 - UNKNOWN OR OTHER
    NISSAN: Some vehicles may exhibit a malfunction indicator lamp on with diagnostic trouble code P0100 (mass airflow sensor - mafs stored). *tt
  • ITB01029 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
    INFINITI: Some vehicles may exhibit a malfunction indicator lamp on with diagnostic trouble code P0100 (mass airflow sensor) stored and exhibit engine running rough, surging and low power. *tt
  • ITB01029A - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
    INFINITI: Some vehicles may have diagnostic trouble code P0100 stored and possibly exhibit engine rough running, engine surging, low engine power. *tt
  • ITB01029B - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
    INFINITI: Some vehicles may exhibit engine rough running, engine surging, low engine power, malfunction indicator lamp on with diagnostic trouble code P0100 (mass airflow sensor) stored. *tt
  • ITB01029 - UNKNOWN OR OTHER
    INFINITI: Subject regarding mil on with dtc P0100 (mass airflow sensor - mafs)stored. *yd
  • ITB01029A - UNKNOWN OR OTHER
    INFINITI: Some vehicles may experience a malfunction indicator lamp on with dtc P0100. *slc
  • 29992 - UNKNOWN OR OTHER
    MERCEDES BENZ: Concerns with check engine light on with code P0100, P0170. *tt
  • EC98080 - ELECTRICAL SYSTEM:IGNITION:MODULE
    NISSAN: Information regarding vehicles with mil 'on'; diagnostic trouble code P0100 (mass air flow sensor) stored in ecm. *tt
  • NTB97059A - UNKNOWN OR OTHER
    NISSAN: Information on mil 'on' diagnostic trouble code P0100 stored in ecm. *yc
  • 776513 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
    CHEVROLET: Water in air pump and/or dtc P0410, P0412, P1415, P1416, P0100, P0101, P0102 and dtc 48 (install air pump service kit). *tw
Consumer Complaints for this DTC


2013 CADILLAC CTS with 71000.0 miles

Solenoid that communicates with the transmission and the computer. (this was causing the the stability trac to kick on and sometimes shut the car off while driving or sitting still turning) they also discovered that the entire rear differential had to be replace. This is a 2013 Cts coupe 69000 miles when purchased. I contacted gm corporate office for assistance. (P0101 ,P0100, U0101, lost of communication to tcm.
ELECTRONIC STABILITY CONTROL, POWER TRAIN


2013 FORD FOCUS with 131000. miles

On friday, may 30. 2019, around 5:00pm, i was driving to a family event. I had just stopped for gas about 15 minutes prior to the incident happening. As ibwas driving and i came to a stop. Just as the light turned green, signaling for me to go, and i released my foot from the brake and began to accelerate, my car stalled. I was in the middle of a very busy intersection. I immediately put on my hazard lights, put my car in neutral, and began pushing it out of the street. There was smoke coming from the hood that eventually dissipated. I made several attempts to restart my car and it never would. I called my roadside assistance provider and had my car towed home. I have been trying to figure out the issue when today i had a reader plugged into my car to test for any error codes. Surely, codes P0100, P2227 and P0456 all came up. As i researched these codes, i was brought to the nhtsa website and found thid recall that i was never notified of and there's no remedy for. I am without transportation.
ENGINE, POWER TRAIN


2009 FORD TAURUS with 113000. miles

The brakes will activate by themselves with no foot on brake. With no notice it will turn into a full panic stop. Simply driving and all of a sudden the brakes go to full lock. A very very dangerous situation. Once the speed gets below a certain mile per hour it changes. If one stops and turns the engine off and restarts its fine. This started early this year and now has become more frequent. The last 2 times car was driven this has happened. When it is scanned its coming up with 2 u codes P0100-20 and P0121-20
SERVICE BRAKES,

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