Avoid parking on an incline just to be safe. Lightly touch the engine after letting it cool. If it’s still warm, wait another 5 minutes or until it cools.
Repeat the above procedure with the positive terminal. Typically, it is covered in a red cap or marked with a “+” sign.
Loosen the wiring harness by pulling out the plastic ends attached to its wires. Only remove the ones that make it easier for you to access the MAP sensor.
Purchase retaining ring pliers at hardware or big-box stores.
Keep the bolts in a small plastic container so they don’t get lost.
If there is no clip, detach the electrical connector by pressing on the locking tab and pulling it from the MAP sensor.
Buy sensor cleaning product from department stores or big-box suppliers. These products are specifically designed for sensor surfaces.
Lightly spray cleaning product into regions that you can’t reach with the rag. However, avoid doing this if possible, as you won’t be able to properly scrub and dry it.
Snap the retaining rings back on the vacuum line by opening them with your retaining ring pliers and placing them around the vacuum.
