Is it my knock Sensor? '90 90Q 20V

[Ti Kan]

David Thoresen writes:
> Ok so are the knock sensors easy to get to?  How much are they?  Would
> they help me pass my emmisions if I were to get new ones?  Should I try
> some injector cleaner first?  (Techron or Guaranteed to Pass?)

The knock sensors should have nothing to do with emissions.

Yes, some injector cleaner is always a good idea.  However if you
you use the full strength formula, make sure to run the tank
almost empty and refill with fresh gasoline before getting your
emissions checked.

> Also I am looking at replacing the plugs with Bosch Platinum 4s but the
> ones specified at carquest are the wide diameter version and wont go
> down the "tube"  Does anyone know the right part # for the ones I need?

Don't use the Platinum +4.  Use the proper factory-specified plug
instead.

-Ti
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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