how many spark plugs does a 4 cylinder engine have

• 4

• 6

• 8

• 7

what can happen if you OVER tighten a spark plug

• it will come loose

• it will be okay

• it can break into the head

• it will come out

there are only 1 type of spark plugs

• true

• false

you should replace your plugs only when

• your engine missfires

• your mpg goes down

• your car has poor starts

• routinely to prevent all poor performance issues

true or false: replacing your spark plugs increases mpg

• true

• false

true of false: replacing spark plugs can help performance

• true

• false

why where tpms lights required by the government

• to help save the earth

• to save the customer money

What is the first step when a car comes in with a TPMS light on?

• spray the tire with bubbles

• check all tire pressures to identify the tire that's low

• take the tire off the car

• plug the tire

TPMS stands for

• tire pressure

• tire pressure monitor system

• tire plug measure system

• low tire

overinflated tires does what to the tread?

• wears down on the edges

• wears down on the sidewall

• wears down on the center

• pops the tire