code p0306

[daddyoth]

first time post,just the other day driving down the road i notice the SERVICE ENGINE SOON lite come on '00 tahoe limited so i when and pick up obd2 scanner it read P0306
cylinder 6 misfire what does mean? what do i have to replaced?

thank you in advance

Oth

[GreyFox]

first time post,just the other day driving down the road i notice the SERVICE ENGINE SOON lite come on '00 tahoe limited so i when and pick up obd2 scanner it read P0306
cylinder 6 misfire what does mean? what do i have to replaced?

thank you in advance

Oth

may have a bad spark plug , wire or just need a tune up.

[haks310]

Check your wires then the plug. When was the last time the plugs were changed? How many miles on the engine?

[daddyoth]

thank you very guys, the tahoe has 120k i'll replaced wire,cap&rotor today.changed the plugs yesterday.

thanks again,

Oth

[haks310]

Yeah, time for a tune up. Good luck.