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Re: [T3] MPS update


On 24 Sep 2003 at 0:08, David V.N. wrote:

> 0 280 100 043B
> 1969 Fastback manual trans.

So I'm confused now. I thought we were talking about a later car. In this case, 
since you actually have a 69 it sounds like you are okay. I don't know where I 
got confused, but it helps to repeat info like this with every message because 
otherwise I'm forced to work from my memory, which is clearly inadequate.

The part # above is confusing because that appears to be a Bosch part # with a 
VW suffix. PS stands for pressure sensor, what you have been calling MPS. MPS 
is a common term, but I don't think Bosch or VW ever used it.

Your 69 has the Pressure Switch also, so you should make sure it is hooked up 
and working. If the hose is off, the engine will run rich. If you listen 
carefully, you may be able to hear the microswitch in it click when you floor 
the throttle with the engine running. It may also be worth checking to make 
sure that the switch is actually working. It should be in one state witht the 
engine off, and the other state when idling.

I'll have to look up part #s tonight to be sure but I don't know what # that is 
above. No matter what it is, it is not a 69 type 3 brain; the number's just too 
high. I think the B brain (correct for 69) would be 003. I think the PS that 
goes with this is also a B.

-- 
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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