Turn this filthy engine part, into this clean object with these simple steps. Step 1, scrape off the thick carbon build up. Step 2, use a throttle body cleaner to attack the remaining gunk. Step 3, use a wire brush to help with the breakdown and get those stubborn spots. Step 4, use your throttle body cleaner again to rinse off, then wipe to assess the condition. Step 5, repeat steps 3 and 4 until you get your engine part looking like this. If you need help finding these products, follow the lin