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2005 Jaguar STR code P0102 P0100 P0112 do these mean I need to remove my intake manifold for a leak. No cel

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P0102: Mass or Volume Air Flow Circuit Low Input http://www.autocodes.com/p0102_jaguar.html

P0100: Mass Air Flow Sensor http://www.autocodes.com/p0100.html

P0112: Intake Air Temperature Circuit Low Input http://www.autocodes.com/p0112_jaguar.html

Posted on Dec 19, 2016

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2014 Nissan Altima starts up fine but when you put it in drive it shuts off. Put it on the scanner and it read codes p0102 and p0112


This sounds more like a leak in the air intake system rather then what those 2 codes specify. Make sure all the intake tubes are securely tightened and all vacuum lines are crack free. Also make sure the air resonator box is securely tightened.

Oct 16, 2016 | 2014 Nissan Altima

3 Answers

Changed the mass air sensor and temperature sensor and I have still have codes p171 & p174 on my 96 thunderbird lx hellp


p0171 p0174 indicate lean ...check for vacuum leaks around intake manifold...spray carb cleaner(or brake cleaner if flammable)around intake manifold..if rpm goes up you have a vacuum leak....fix leak ..clear codes and test drive.....at least two drive cycles

Apr 01, 2014 | Cars & Trucks

1 Answer

Code p0102


P0102 is a Mass air flow code. If you recently installed a K&N air filter it is possible some oil from the filter has gotten onto the sensor and damaged it. This code does not mean the sensor is faulty though. You could have an intake air leak which would also cause the code.

Mar 19, 2014 | 2005 BMW 325Ci

1 Answer

Trouble codes


Technical DescriptionMass Air Flow (MAF) Circuit Low Input
What does that mean?Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. A more technical description would be that the MAF circuit had lower than expected voltage (air flow). Other MAF sensor circuit DTC trouble codes are P0100, P0101, P0103, and P0104.

SymptomsYou will likely not notice any serious drivability problems, although there may be symptoms such as a general decrease in power or sluggishness.
CausesA code P0102 may mean that one or more of the following has happened:
  • The MAF may be disconnected, or a wiring connection may be bad
  • The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF).
  • The MAF sensor may be faulty
  • The vehicle computer may be faulty (very rare)

http://www.obd-codes.com/p0102

Oct 13, 2013 | 2006 Chevrolet HHR

1 Answer

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

Were is the intake air temp sensor located on a 2001 chrysler 300m


P0112 is the code for a intake air sensor problem. If you can buy one seperate it will be located between the Air filter and the Throttle Body ... usally near the Mass Air flow sensor . I am a Jaguar Tech our are located inside the Mass Air sensor . Also ck the actuall housing of the air filter assembly

Aug 05, 2012 | 2001 Chrysler 300M

3 Answers

DTC Code P0107


P0107 -- CONTINUOUS
Continuous diagnostic trouble code P0107 indicated barometric pressure out of range low was detected during normal operation.

Possible cause
- faulty internal BARO sensor (PCM)

Perform KOEO On-Demand Self Test.
Is P0107 present?
Yes, REPLACE PCM. CLEAR DTC and RETEST.
No, P0107 is intermittent fault. CLEAR DTC. If DTC reappears, REPLACE PCM.

If you keep getting it, a new PCM is the only fix.

Sep 21, 2011 | 2001 Ford F350 Super Duty SuperCab

3 Answers

I have a ford taurus 02' diagnostic code p0102..wat s wrong


P0102 OBD-II Trouble Code - Mass Air Flow (MAF) Circuit Low Input

What does that mean?
Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. A more technical description would be that the MAF circuit had lower than expected voltage (air flow). Other MAF sensor circuit DTC trouble codes are P0100, P0101, P0103, and P0104.

Symptoms
You will likely not notice any serious drivability problems, although there may be symptoms such as a general decrease in power or sluggishness.

Causes
A code P0102 may mean that one or more of the following has happened:
* The MAF may be disconnected, or a wiring connection may be bad
* The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF).
* The MAF sensor may be faulty
* The vehicle computer may be faulty (very rare)

Possible Solutions
The simplest thing to do is to reset the code and see if it comes back. Then start with the cheapest, easiest repair procedures:
* 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.

Hope help with this (remember rated this post).

May 21, 2010 | 2002 Ford Taurus

1 Answer

What is a vacuum leak on my Jaguar 2002 X-Type 2.5


Have you checked the large rubber pipe that goes from bank 2 cam cover to the intake manifold as they are prone to splitting. To check you will need to remove the 3 srews that hold the engine cover on.

If not look for an air leak around the intake manifold seals

Dec 21, 2009 | 2002 Jaguar X-Type

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