The Honda MAP sensor measures the amount of air flowing into the engine. In this way, the sensor is able to help the Honda ECU (central computer) adjust the fuel ratio for optimal fuel efficiency and power. When the sensor fails, it is common for most Hondas to simply stall, being unable to hold the correct air-to-fuel ratio. When this happens, you'll need to change the MAP sensor.
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Things you need
- Socket wrench
- Socket set
- New MAP sensor
Disconnect the negative battery cable by loosening the nut on the cable clamp, using the socket wrench, and sliding the clamp off the negative terminal.
Remove the electrical plug from the MAP sensor on the intake manifold, which is at the back of the engine.
Remove the vacuum hose on the MAP sensor: squeeze the tabs on the retaining ring with a pair of pliers, and slide the ring out of the way; then pull the hose off the MAP sensor.
Remove the two screws from the MAP sensor, and pull the sensor off the manifold.
Install the new sensor. Installation is the reverse of removal.
Tips and warnings
- For specific information about changing your Honda MAP sensor, consult your particular vehicle's manual (see Resource).
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