what is a knock senser bank 1 ?

[wil99z]

ok i have a problome with the knock senser and what is a bank 1

it also says systen to rich bank 1 and bank 2 plz help

[Jeremy-WI]

Bank 1 refers to the drivers side of the motor on V motors. Rich bank 1 and bank 2, if this is a NBS with a 4.8, 5.3, or 6.0 I'd pull the vacuum line off the fuel pressure regulator and check for signs of gas, if you detect gas in the vacuum line replace the fuel pressure regulator