OK, I've put off posting this question for 2 weeks, thinking that the
problem could be caused by so many things, that an internet diagnosis
would be asking too much. However, I' really stumped.
Late last fall the TR3 began to misfire and stall after driving for at
least 1/2 hour. The stalling starts out as a few misses, with the engine
then returning to its normal great condition, this often progresses
until I'm going nowhere but to the phone for the tow truck. I
progressively replaced the fuel pump, the coil, the ignition wires, the
low tension lead, the condenser, checked all electrical connections I
can think of. Seems to occur more often and more drastically on a hill
(whatever that is worth).
My suspicion now is vapour lock. Since I have never been plagued with
that particular ailment on any car before, I need to hear what the exact
causes of this are, and if the symptoms fit.
Thanks,
Tom Bottman
TR3A
TR6
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