Question about 1992 Mercury Capri

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Where is my IAT sensor located? Its a 1992 Mercury Capri non Turbo. I bought a Performance module and its splices into the two IAT wires. Is

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  • ranthax18 Sep 30, 2009

    There is a plug in on the top of my airflow meter has six wires on it. is that it? I called the company that made it and they said there are two wires coming out of it and I still cant find it

  • ranthax18 Sep 30, 2009

    I dont know who to believe ive herd people say they do work and people say they dont.

  • ranthax18 Oct 01, 2009

    There isant any Sensor on my Intake tube. Is it the sensor mounted on the firewall?

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  • Mercury Master
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Save your money and don't attach the module, it does not work. It only works during idle and after that the O2 and MAP sensors take over to control the air fuel ratio and timing. Take note that if there is a conflict with the program to your ecm's parameters, your engine will run under limp mode default which would result in less HP and performance. Good luck and if you need ore performance just spend the extra to have your car Dyno Turned. 

Posted on Sep 30, 2009

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  • Mercury Master
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Your iat sensor is not part of mass air flow, it is located on the fresh air intake.follow throtle body back , you will see the sensor in air inlet tube.

Posted on Sep 30, 2009

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  • Master
  • 750 Answers

Check the air filter box

Posted on Sep 30, 2009

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1 Answer

Where is my IAT sensor? I bought a X2 Module and they do work because my friend has one and dyno showed an increase from 228hp to 256hp


http://easywatercar.com/kayakosupport/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=131 
If its the air temp sensor removing it or unplugging it MAY do a few things depending on the type of sensor it is. Most send a signal to the computer in terms of resistance (ohms) that changes with temp. That signal is used by the PCM in conjunction with others (MAF O2s MAP) to determine timing and fuel requirements. If you unplug the IAT sensor the computer (on most GM cars) will see an open or infinite resistance and give the lowest possible temp input to the computer for air temp. That can increase timing across the RPM range sometimes giving a few extra ponies. It can also lead to detonation if too much timing is present.

I hooked up a 10k ohm potentiometer to my IAT sensor so I can dial in the temp I want. If I want some timing ****** for nitrous I dial it so the computer sees 185 degress F and it takes 2 or 3 degrees total timing out. For more timing I dail in 20 degrees F and it will advance it some. Works good.

This may be totally different on Capri but most IAT sensors work the same. As for changing the reading on the IAT will not give a 28 HP difference since the ECM will only give a given default and P.S the Potentiomete is about $6.00 for a good one at Radio Shack. 

Sep 30, 2009 | 1992 Mercury Capri

1 Answer

1992 Mercury Capri IAT


it is located in and is a part of the airflow meter.

Sep 29, 2009 | 1992 Mercury Capri

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