[ROVERNET - UK] Re: rovernet Digest, Vol 29, Issue 22

Peter King peter at king-co.com
Tue Apr 19 22:44:31 BST 2005

Hi Walter.

I've recently been sorting out some automatic choke (AED) problems on 
my "71 3500s (with a lot of help from the Rovernet!) and I can pass 
along one helpful tip.

Have him start the car as usual and let it warm up until it stalls.

If there is a fuel shut-off valve (small "t" valve in the line between 
the (AED) and the inlet manifold, have him turn it clockwise to 
disengage it from its locked open position. Once it is loose, it can be 
pushed in and seated against the backside of the valve. Turning it to 
the right while gently pushing in will seat the seal against the valve 
exit opening, thereby shutting off any fuel from the AED to the inlet 
manifold. Vacuum holds the valve tight while the engine is running.

If the engine has already been warmed up, there should be no need for 
manually choking. If the car starts and runs with the valve shut off, 
the problem is with the AED.  Eric's link to the AED article on the 
Auckland site has excellent operational and overhaul information on the 
AED (although I've completed the overhaul and am still having mixture 
problems with the AED). I'm running fine with the valve closed off.


On Apr 18, 2005, at 11:33 PM, Walter Reynolds wrote:

> Hi Rovernetters.  This is a plea for help from a Rover P5B owner, 
> Brian (via
> me), who doesn't have a computer.
> Brian is the proud owner of a P5B Three and a Half Litre Coupe.  The 
> car has
> a no-start problem after the engine warms up and is then shut off.  He
> waited almost two years before he could get the car and is sorely
> disappointed in this non-starting problem.  A Morgan Plus 8 owner in 
> our Old
> English Car Club of British Columbia suggested that the problem was 
> related
> to the crummy automatic choke fitted to the Rover V8 engine.  Morgan 
> Plus
> 8's have the V8 Rover engine and this Morgan owner has installed a 
> manual
> choke which, he says has eliminated the non-starting problem for him.
> While there may be a problem with the automatic choke on the V8, does 
> any
> one have any suggestions where Brian can start looking?
> Thanks.  Walter.
> Walter D. Reynolds
> Rover P6 2000 SC Automatic
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