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10-22-2007, 12:15 PM
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#1 | |
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AF Newbie
Join Date: Oct 2007
Location: mcgehee, Arkansas
Posts: 1
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where is the iat sensor?
1990 lincoln town car - 5.0
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10-23-2007, 02:54 PM
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#2 | |
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AF Enthusiast
Join Date: Oct 2002
Location: So. California, California
Posts: 2,204
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Re: where is the iat sensor?
Intake Air Temperature Sensor.....
I found one tech article here: http://www.lincolnsonline.com/tech/00193.html Also: The Intake Air Temperature (IAT) sensor determines the air temperature inside the intake manifold. Resistance changes in response to the ambient air temperature. The sensor has a negative temperature coefficient. As the temperature of the sensor rises the resistance across the sensor decreases. This provides a signal to the PCM indicating the temperature of the incoming air charge. This sensor helps the PCM to determine spark timing and air/fuel ratio. Information from this sensor is added to the pressure sensor information to calculate the air mass being sent to the cylinders. The IAT is a two-wire sensor, a 5-volt reference signal is sent to the sensor and the signal return is based upon the change in the measured resistance due to temperature. Overview:  Removal / Installation:  Testing:   
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-Steven 1996 Town Car, Cartier |
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