Hi Scotty I have a 2000 toyota tundra. shop told me it need coil pack 5 and tune up.so i did it then after that i was drivind and check engine light came on .the codes are multiple cylinder misfire po301 po300 po303 po304 p1127 po305 help please

you start changing coil packs, often they will all need changing to equalize their signals to the computer, realize that