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I need to find which two wires on my mass air flow sensor go to the iat sensor

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I have a lincoln town car 2003 I have this code po113 IAT sensor 1 circuit high input I changed my MAF and it started up but not like it should can someone please help me out


code p 0113 refers to intake air temperature (IAT) sensor --circuit malfunction===causes wiring open circuit / short to positive ---wiring short to ground ---ground wire defective --IAT sensor---ECM
the MAF ( mass air flow) sensor has nothing to do with the fault
the fault is in the wiring or the IAT sensor

Oct 13, 2015 | Lincoln Cars & Trucks

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What is a maf sensor


A mass (air) flow sensor (MAF) is used to find out the mass flowrate of air entering a fuel-injected internal combustion engine.
The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature, altitude and the use of forced induction, which means that mass flow sensors are more appropriate than volumetric flow sensors for determining the quantity of intake air in each cylinder. (See stoichiometry and ideal gas law.)
There are two common types of mass airflow sensors in use on automotive engines. These are the vane meter and the hot wire. Neither design employs technology that measures air mass directly. However, with additional sensors and inputs, an engine's ECU can determine the mass flowrate of intake air.
Both approaches are used almost exclusively on electronic fuel injection (EFI) engines. Both sensor designs output a 0.0-5.0 volt or a pulse-width modulation (PWM) signal that is proportional to the air mass flow rate, and both sensors have an intake air temperature (IAT) sensor incorporated into their housings for most post OBDII vehicles. Vehicles prior to 1996 could have MAF without an IAT. An example is 1994 Infiniti Q45.
When a MAF sensor is used in conjunction with an oxygen sensor, the engine's air/fuel ratio can be controlled very accurately. The MAF sensor provides the open-loop controller predicted air flow information (the measured air flow) to the ECU, and the oxygen sensor provides closed-loop feedback in order to make minor corrections to the predicted air mass.

Aug 03, 2015 | Cars & Trucks

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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

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My chevy blazer 2000 ha a p0101 code changed the mass air flow sensor still does not want to accelerate


Hi there:
This code is set when the MAF (Mass Air Flow) meter is not sending the PCM the correct information. This can be due to a bad conection of the rubber intake hose between the MAF and the Throttle plate opening, a dirty air filter, a dirty mass air flow or a bad mass air flow.



Most programmer have you tie into the iat sensor in the mass air flow. this can cause the the iat sensor oto short out.


Hope helps.

Jun 20, 2012 | 1998 Chevrolet S-10 Pickup

1 Answer

Check engine lght on and 2 codes p0103 and p0112


P0103 HYUNDAI - Mass or Volume Air Flow Circuit High InputPossible causes- Dirty mass air flow sensor
- Dirty mass air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks
- Faulty mass air flow sensor
Tech notesBefore 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.
P0112 HYUNDAI - Intake Air Temperature Sensor 1 Circuit Low InputPossible causes- Dirty air filter
- Intake air temperature (IAT) sensor harness is open or shorted
- Intake air temperature (IAT) sensor electrical circuit poor connection
- Faulty intake air temperature sensor
When is the code detected?An excessively low voltage from the sensor is sent to ECM.

Jun 08, 2012 | 2001 Hyundai Accent

1 Answer

Exact location of the iat sensor on a nissan pathfinder 1996


The Mass Air Flow (MAF) sensor/Intake Air Temperature (IAT) sensor is located in the air cleaner case.
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The Intake Air Temperature (IAT) sensor is an integral part of the Mass Air Flow (MAF) sensor. Looks like this:



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May 12, 2011 | Nissan Pathfinder Cars & Trucks

1 Answer

I need to know which wires from my air box plug are the IAT (Intake Temperature Sensor) and which are the MAF (Mass Air Flow) wires.


sorry i do not know the colours off the top of my head, but the IAT it the small 2 wire sensor about halfway up the air duct, and the MAF is the large multi wire connector close to the air filter box. good luck!

Apr 27, 2010 | 2005 Pontiac Grand Prix

2 Answers

Where is iat sensor located on 2000 mazda mpv van . i have a p0113 code and cant find sensor


the IAT sensor is part of the Mass Airflow sensor. here is a picture of that sensor.

5787058.jpg

Dec 16, 2009 | 2000 Mazda MPV

3 Answers

Which 2 wires is The IAT on 2007 Silverado


The intake air temp sensor is the one that is not the mass air flow. It should be a little 2 wire sensor in the inlet tube. The mass air flow is near the air cleaner, and is inline with the air inlet tube.

Jul 22, 2009 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

2002 chev avalanche mat sensor


I assume you are looking for the wiring for the IAT because MAT sensors are no longer used..

here you go

black / white - PCM ground
pink - fused 12-volts
yellow - MAF signal
tan - IAT sensor signal
black - IAT sensor ground

manifold temp. sensors are no loner used.

I believe you are looking for the IAT "intake air temp sensor" which is part of the mass air flow sensor.

good luck

wesleyschacht@hotmail.com

Jun 16, 2009 | 2002 Chevrolet Avalanche

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