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O2 sensors failed after replacing catalytic converter 850

posted by  Dennis 850GLT on  Sat Jan 24 02:04 CST 2004
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last visit: Sat Aug 13 08:42 CST 2011
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There is a vacuum hose at the top front of the engine that sneaks under the fuel rail. At the top end, there's an elbow that rots out pretty quickly, letting false air into the hose. This can trigger O2 sensors problems.
WAIT, there's another. Lean over the engine on the driver's side and from the top of the engine (almost right under the top engine brace) there's another identical elbow that is probably rotted out. Go to the Volvo place and purchase both elbows , install them, clear your codes and you just might find the O2 problem gone.


--
Dennis






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New O2 sensors failed after replacing catalytic converter [850]
posted by  Paul M  on Fri Jan 23 06:14 CST 2004 >


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