Hello Tim,
I had the same symptoms on my TR4 last summer. It turned out to be a bad
coil. I was in a traffic jam at 4 mph, and the underhood temp went higher
than normal. Once I got past the jam and could go over 30 mph, the airflow
past the engine was enough to keep the coil a little cooler. It was a Lucas
Sports coil only 6 years old, mounted on the fender well.
Pete Fullam
CT19207L
-----Original Message-----
From: triumphs-bounces at autox.team.net
[mailto:triumphs-bounces at autox.team.net] On Behalf Of
KingsCreekTrees at aol.com
Sent: Monday, November 07, 2011 5:29 PM
To: triumphs at autox.team.net
Subject: [TR] TR3A fuel troubles
Hello All;
I drove into the nearest small town today, on mostly straight roads at
50-60mph. I made a few stops at stores and the bank, then started off for
home.
After the car had been sitting for probably an hour, it started great. I
pulled away onto the highway, got up to cruising speed and then there was a
sudden loss of power. It was missing (but not "sharply", suggesting to me
that it's a fuel problem and not ignition). Applying more throttle slowed
the car even more, applying less did the same. There was one throttle
position where the vehicle would maintain about 25mph, but running rough.
Eventually, it lost more and more power and finally the engine stalled.
I let the engine sit maybe 30 seconds and tried to start it. It cranked
over for a longer time than usual before it fired, but when it started it
ran
perfectly. I drove away and managed to get about a mile down the road
before the sudden power loss and rough running came in again. This time I
was
able to nurse it along at 50mph (it's a flat road) as long as I kept it out
of overdrive. Eventually, same thing; lost power despite my playing with
the
throttle inputs, and eventually died. This time I left it a minute before
starting. It started almost immediately and ran fine, but it was a repeat
of the same scenario several times until I got home.
I have done no diagnosis yet, so I could be wasting everyone's time.
However, if anyone has any suggestions, I'd love to hear them. Maybe a bad
float???
Tim TS22930LO, Ontario, Canada.
triumphs at autox.team.net
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