[T3] Runs Great...but very hot... (2)

[Keith Park]

What is your gas mileage? It would have to be pretty low to dilute the oil.
The oil level on our cars is only accurate if the car is absolutely LEVEL as
well...

The air temp sensor will make it run about 10% rich if its unplugged, if it
doesn’t run right with it plugged in something is wrong, find it... the head
temp sensor may be out of spec, the pressure sensor bad or out of
calibration... not much else sets overall mixture.

Keith


Top Notch Restorations
topnotch at nycap.rr.com 
http://www.a383ina68.addr.com/radiorest/main.htm
71 Squareback "Hothe"
65 Notchback "El Baja Rojo"
65 Squareback "Eggcrate"
87 golf "Winterat"
93 RX7 "Redstur"


-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of J. Jonik
Sent: Friday, June 17, 2011 5:59 PM
To: type3 at vwtype3.org
Subject: Re: [T3] Runs Great...but very hot... (2)

Just after I sent the message below, I casually checked my oil, expecting to
have to top it up a little.  No.  It was up over the line...indicating that
gas is (again) getting into the engine.   That, probably, accounts for
Running Hot.
  Now what?   
 Except for the novelty that the car runs great (otherwise), it's almost
back to Page One.
Is it injectors? Should I just guess and get all new ones?...or start
testing the spray and volume and all that?    
 Is it that unconnected Temp Sensor at Air Dist?  
  Is it...what?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

This is about T 3, 71, Std shift.     ...the one that had endless Fuel 
Problems that seem to be now fixed by a hundred adjustments and tests, 
unhooking Cold Start, Changing the Control Unit and so forth.  The Temp 
Sensor in the Air Distributor is also unplugged.   If I plug it back in,
 it runs kind of rough.

It's been mostly fine for months...except
 one thing...Idle would, at any time, stay high for a while.  Then 
later, hot or just warming up, dip to low enough to flicker the oil 
light. While driving it was fine.  It never stalled.

The other day, on a hunch, I changed the Pressure Sensor...and now the idle
sits right where it should...no more highs and lows.
 Does that make perfect sense?

One problem left.   After maybe 20 or so miles, highway and in town, the
engine is really
 hot...hotter than it should be.

What's the list of probable reasons for the heat? (No...there's no rags in
the air ducts.)
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