I have a 2001 Sequoia SR5 4WD that I recently replaced the spark plugs on. When removing 3 of the plastic connectors that connect the ignition system to the coil packs, the retainers broke off. Are these connectors replaceable? If so, how is this accomplished, and where are the parts available...

Monday my 02 tundra v-8 finally flashed a check engine light after enduring a month of random and intermittent stumbling once every 3 days or so. Monday the light came on and the truck was hardly driveable. Well, the shop said it was cylinder misfires in #3 & #5. He checked all the plugs and...