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• Disconnect both negative battery cables.
• Locate the MAP/boost sensor on the upper intake manifold (see fullsize image for reference).
• Release and disconnect the electrical connector from the MAP sensor.
Replace the connector (splice in a new pigtail) if it is damaged, distressed, warped, or the locking mechanism is broken.
• Loosen, then remove the two bolts securing the MAP sensor to the upper intake manifold using an 8 mm socket.
• Rotate the MAP/boost sensor while gently pulling straight upwards, keeping the sensor perpendicular to the upper intake manifold so that the tip does not break off in the manifold bung.
• The MAP/boost sensor does not come with a seal and it must be purchased separately; do not reuse the old seal.
• Install the seal on the MAP sensor nipple, then lightly coat it with clean engine oil.
• Reinstall the MAP/boost sensor by inserting the nipple into the bung. Gently rotate the sensor repeatedly while pressure downwards with light force until it seats completely.
• Lightly coat the bolt threads with anti-seize lubricant, then reinstall. Snug down, but do not overtighten; the torque of these bolts is not critical.
• Ensure that the MAP sensor is fully seated, then reinstall the electrical connector and reconnect both negative battery cables.