okay so we're on happenstance here now
I have had the same wierd stalling problem twice now... in the same parking
lot!
The car (79 MGB) starts up instantly when warm, and after turning over for
maybe 2 seconds when really cold. Never had any complaints. Only twice now
(just happened) it stalls in the parking lot at work. The only difference i
can think of is that it is under really hot sun (but under a cardom so go
figure). Anyway, it starts up okay, but then stalls when i let my foot off
the gas to change from reverse to first. The first time this happened there
was bad petrol smell, so i figured that i had flooded it and waited a couple
of minutes and it started right up. This time no amount of coaxing would do
the trick. In the end we popped it into fourth gear and pushed it 20 yards
to get the engine turned over. pushed the clutch down and it started up
okay. Then it ran ran like a dream
que????
The air filter needs replacing.
The carb seems to be running a little rich. could this all be a problem in
the automatic choke? Sometimes if i stop at a light within about 3 or 4
minutes of cold-starting then the revs creep up to about 2500. If i tap the
gas then they rev up and then drop down naturally to about 1500. Only
happens just after a cold start though. can this be the auto choke not
shutting off properly? The engine sounds very smooth - no pinking etc. - and
last time i checked the plugs nothing which would indicate a long running
fuel mixture problem.
The car has a second cooling system fitted to deal with california heat. And
i have never seen the engine temperature get above about 20% of the dial
(even on a 2 hour baking hot trip in california). I've been reading the
thermostat thread so if i understood correctly, this can't actually be the
problem right, cos the cooling system only comes on once the engine has
reached an optimum running temperature? Could it be though that the air
coming into the carb is too warm for the amount of choke? or have i got
this all arse about face?
any comments much appreciated
cheers
Joe
___________________________
Dr. Joseph Garner
University of California
Department of Animal Science
One Shields Avenue
Davis
CA 95616
USA
Phone: (530) 754 5291
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