Can someone please tell me what that silver metal bar across the top of
the spark plugs (2003 2.4L Taco automatic) is? Do I need to remove it to
change the plugs? If so, how do I remove it? What is it's purpose?
you have the 2RZ-FE which has direct ignition
the older 2RZ-FE and 3RZ-FE had coil packs, but the newer engine have the coil pack directly bolted to the spark plug
buy a Tacoma service manual and you will be all good