service engine light??

[1961 109 WAGON]

found out its running lean/rich on bank two.
where in cylinder #1??
says it might be a o2 or maf sensor if its both banks.
what is bank one and which is bank two??

[Hammer38]

There are 2 crankcase vent. hoses on the back of the intake, usually covered by a heated "blanket." These get gooey and allow unmetered air into the system causing these codes. Easy repair. Take off the accuostic cover and you will see the "blanket."

[1961 109 WAGON]

thank you, ill try that tip!