Acura 37880-PDA-E01 Air Charge Temperature Sensor

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The Intake Manifold Temperature Sensor for 2001-2002 Acura, and 2003-2004 Honda is located at the left rear corner of the intake manifold. Disengage the connector, unscrew the sensor using a wrench, and discard the old O-ring. It is on the air intake duct for 2003-2004 Acura. Disconnect the connector from it, pick up a small flat-headed screwdriver, insert it into the seam beside one end of the clip, and remove it by prying it away from the sensor before pulling out that sensor. For these two cars made in 2005-2006 and all Hondas made from 2005 onwards, you can locate it on the front side of the intake manifold near the throttle body. Remove the plug connecting to this sensor, use any adjustable wrench to loosen up its screwed part before taking off its O-ring with your fingers. MAF sensor incorporates an Intake Manifold Temperature Sensor for 2007 Acura.

For models from 2003 and earlier, the Intake Manifold Temperature Sensor is located at the left rear corner of the intake manifold, while for models from 2004 to 2006, it is positioned on the left end of the intake manifold, on the front side of the throttle body mounting flange, between the throttle body and the manifold. In models from 2007 and later, the Intake Manifold Temperature Sensor is found on the left end of the intake manifold, ahead of the throttle body flange. Begin by removing the engine or intake manifold cover. Next, disconnect the electrical connector from the Intake Manifold Temperature Sensor by depressing the release tab and pulling off the connector. For 2007 and later models, the Intake Manifold Temperature Sensor is screwed into the left end of the intake manifold, in front of the throttle body mounting flange. Unscrew and remove the Intake Manifold Temperature Sensor, and be sure to remove and discard the old O-ring. For 2003 and earlier models, it is important to use a new O-ring when reinstalling the Intake Manifold Temperature Sensor, even if the old sensor is being reused. In 2004 and later models, the O-ring is countersunk into the intake manifold. Installation is the reverse of removal, ensuring a new O-ring is used and the Intake Manifold Temperature Sensor is tightened to the specified torque.

First, disconnect the electrical connector from the MAF/IAT sensor.