Raul wrote:
> My 94 Civic has the check engine light on. Mechanic says its the O2
> sensor, which sounds reasonable. However, he says that the sensor is
> essentially melted onto the intake manifold, so that the IM needs to
> be replaced too. Does this make any sense? The IM replacement is way
> more expensive.
>
> Thoughts?

Just to add to what Tegger and Elle have already said... it sounds like
either you misunderstood your "mechanic", or he's simply an idiot.

I'd get a second opinion before proceeding.