Question about 2001 Hyundai Sonata

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Trouble code p0102

Need part number for mass air flow sensor
2001 hyundai sonata 6 cyl 24 v

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86-10056 , 74-10056 These are the two that i found.

This is the site i found them at.

Let me know if this helps.And thanks for the rating

Posted on Dec 29, 2008

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2000 nissan sentra 2.0 error codes p0101& p0102


P0102 - Mass Air Flow Sensor Circuit Malfunction

The mass air flownissan-maxima-maf-sensor.jpg or MAF sensor is placed in the intake air duct between the air filter and the engine intake manifold. The MAF sensor measures the amount of intake air flow. The MAF sensor converts the air flow measurement into a voltage or frequency signal, with the voltage or frequency changing proportionally to the amount of air flow. The air flow sensor signal is monitored by the engine computer (ECM). The engine computer (ECM) uses the mass air flow signal to know the engine load and to calculate the proper amount of fuel injected. If the signal from the mass air flow sensor is out of expected range, the ECM detects a fault and sets the code P0100. For example, the mass air flow sensor signal could be higher than expected when the engine is not running or lower than expected with the engine running. A car with the code P0100 may have some driveability issues, such as stalling, lack of power, surging, hesitation, etc. In some cars, the code P0100 can cause the fail-safe mode where the engine speed would be limited to 2,500 - 3,000 rpm.
If there are other trouble codes present, they might need to be looked at first. Checking the freeze frame may help, as it may contain some important information. The freeze frame is a snapshot of the engine parameters at the moment when the fault was detected. The freeze-frame may show whether the vehicle was running or stopped, whether the air-fuel ratio was lean or rich, was the engine was cold or warmed up at the time of the malfunction. Read more about the freeze frame.


Read more about mass air flow sensor.

What could cause the code P0100:
- faulty or contaminated mass air flow sensor
- open or short in the mass air flow sensor electrical circuit
- open or short in the sensor power or ground circuit

- other electrical problem with the MAF sensor wiring, (corroded wires, bent terminals, bad ground connection, burned fuse, etc.
- vacuum leaks
- restricted air flow at or before the air filter
- wrong air flow sensor installed
- problem with ECM





P0102 - Mass Air Flow Sensor Circuit Low

The mass air flow or MAF sensor measures the amount of air entering the engine. The engine computer (ECM) uses the mass air flow signal to calculate the amount of fuel injected (read more how the MAF sensor works below). The code P0102 is set when the signal from the mass air flow sensor is lower than expected. Often a car may exhibit some driveability symptoms, such as lack of power, surging, hesitation on acceleration, hard starting, pinging (detonation), or rough idle when started cold. Often the codes P0171 or P0174 could also be stored along with the code P0102, as the incorrect air flow signal can cause the engine to run lean. The codes P0171 and P0174 indicate a lean condition. Checking the freeze frame might help in the diagnostic process. The freeze frame is stored in the ECM along with the trouble code. The freeze frame contains some recorded parameters (e.g. vehicle speed, engine temperature, fuel trim) at the moment when the fault was detected. The freeze frame can also be accessed with a scan tool.



What could cause the code P0102
- faulty or contaminated mass airflow sensor
- debris blocking the air flow at the mass air flow sensor
- unmetered air leaking past the MAF sensor (vacuum leaks)
- PCV system vacuum leaks
- restricted or collapsed intake air duct
- dirty or restricted air filter
- restricted air screen before the air filter
- improper application of aftermarket components (e.g. cold intake, modified air filter, etc.)
- wrong air flow sensor installed
- electrical problem with the MAF sensor wiring, connector, power supply or ground.
- problem with ECM
- in some cases other issues with the fuel injection system like a clogged catalytic converter or a faulty manifold absolute pressure sensor (MAP) can also cause the code P0102.




Solution for MAF repair

Oct 20, 2012 | 2006 Kia Sorento

1 Answer

2003 Grand Am Has P0102


It is not an ECM/PCM problem.
P0102 - Mass or Volume Air Flow Circuit Low Input
Possible causes- Faulty mass air flow sensor
- Dirty mass air flow sensor
- Dirty air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks Tech notes Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor

Sep 27, 2012 | 2003 Pontiac Grand Am

2 Answers

I took my car to have it checked at Autozone. The results were OEM Number to Cross: P0102. What is wrong with my car?


P0102 refers to the MAF (Mass Air Flow) sensor. It may be dirty, faulty, or have a bad connection. Possible remedies are:

  • Verify that the Mass Air Flow Sensor wiring is connected properly and that there are no broken / frayed wires.
  • Inspect for any air leaks near the MAF sensor.
  • Take the MAF out and clean it using a spray cleaner such as brake cleaner or electrical contact cleaner. Be gentle with the sensor.
  • Check the voltage of the MAF sensor (refer to a repair manual for vehicle specific information)
  • Replace the MAF sensor.

Jul 31, 2011 | 2001 Hyundai Santa Fe

1 Answer

Dont know how to change air intake sensor on 2000 hyundai sonota 6 cyl..... Think they might have gave us the wrong part????


THE INTAKE AIR TEMPERATURE SENSOR IS MOUNTED IN THE INTAKE AIR HOSE OF THE AIR CLEANER .THE INTAKE AIR TEMPERATURE SENSOR IS INTEGRATED INSIDE THE MASS AIR FLOW SENSOR.SHOULD BE NO PROBLEM REMOVE.DISCONNECT ELECTRICAL CONNECTOR,THEN REMOVE THE MOUNTING SCREWS HOLDING IT IN PLACE.THEN REMOVE IT.TAKE THE OLD INTAKE AIR TEMPERATURE SENSOR WITH YOU TO THE AUTO PARTS STORE SO THEY WILL MATCH UP AND GIVE YOU THE CORRECT SENSOR.WHEN YOU INSTALL NEW SENSOR,YOU NEED A CODE SCANNER TO ERASE CODE TO TURN OFF CHECK ENGINE LIGHT.

Feb 20, 2011 | 2000 Hyundai Sonata

1 Answer

I have error code p0171. how do i clean mass air flow sensor in 2001 Hyundai sonata 2.4gls


They sell a spray cleaner at parts stores its in a spray can with a tube How effitive it is im not sure i mean i have never seen it fix one that wasn;t working but could give it a try How ever Po171 is not the code for the mass air flow sensor its fuel trim lean bank 1 O2 sensor is reading MAF would be PO101-PO103 any of those three codes

Nov 22, 2010 | 2001 Hyundai Sonata

2 Answers

Want to know engine light p0102 code means


P0102 is the generic DTC (Data Trouble Code) for (Mass or Volume Air Flow Circuit Low Input), and it would most likely be a fault with the MAF (Mass Air Flow) sensor.

The MAF sensor could be dirty or faulty, and there might even be restricted air flow to the MAF sensor (like a plugged up air filter). Also be sure that there are no air or vacuum leaks in the air induction system especially between the MAF sensor and the throttle body and that the hose clamps on the air induction system are all tight.

Jun 08, 2010 | 2001 Chevrolet Venture

1 Answer

2000 hyundai sonata.. P0300, P0110 and P0102 codes..


Higher octane gas 93 with some good octane boost in the black can at autozone cost about 7 dollars or a bottle of 104 octane boost. Change the fuel filter. Probably only one coil pack is bad. The OBDII reader should tell you which one was a misfire.

Jul 15, 2009 | Hyundai Motor 2004 Sonata

1 Answer

2006 Mitsubishi Eclipse coding P0102; running rough at idle and seems to be in default; won't tach past 4K...any ideas? V/6


P0102 = MASS AIR FLOW (MAF) circuit - low input. This sensor tells the engine computer how much air is entering the engine. The engine computer uses this sensor's signal to calculate the fuel map (fuel-to-air ratio). The 'Low Input" means the computer isn't getting any signal from it.... this is why it won't go past 4k.

Jun 11, 2009 | 2001 Hyundai Sonata

1 Answer

Santa fe


P0102 - Mass Air Flow (MAF) Sensor Circuit Low Frequency

P1702 TPS - Abnormal
P1702 TPS - Malfunction Adjustment
P1703 TPS - Low Input
P1703 TPS - Open/Short (Ground)

Sep 27, 2008 | 2001 Hyundai Santa Fe

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