I had a brand new condensor drive me absolutely nuts several years ago.
I had done a complete tune up in prepation for a trip and the LR
wouldn't start aftwards. There was absolutely nothing that seemed wrong.
I started replacing the old parts changed at the tune up. As soon as the
condersor was changed back it fired up. GRRRRRRR.
John and Muddy
"John M. Baker" wrote:
>
> OK, fixed it. Here is the history of my "Zenith" problem in case you are
> interested--and the latest cure.
>
> The stages over the last month:
>
> Stage 1. Initially had acceleration stall--Solution: fixed sticking acclerator
> pump.
> Stage 2. Also had stall on bumps and sharp curves--Solution: fixed float
> level.
> Stage 3. Then had hesitation problem--Solution: Readjusted idle screw from ALL
> THE WAY IN (my gross negligence)--thanks John and Muddy.
> State 4. Annealed carb and rebuilt. Idled better, ran perfectly for about 1/2
> hour, then began hesitating in low gear.
>
> The Solution? Turns out it was a bad condensor! At least that is the proximate
> cause so far as I have been able to determine. I swapped carbs, took them
> apart, etc. until I was blue in the face. In fact, I am sure that I could
> remove, take apart, reassemble and reinstall in less than 15
> minutes---blindfolded. I had already checked the timing, but then thought
> about checking the condensor and connection. I unplugged and plugged it back
> in, but the car seemed to run the same, stallout just off of idle. I then
> replaced the condensor with a new one. This time the problem got worse, until
> finally I couldn't start the car. Put the old condensor back on, and bingo,
> car runs fine, and has done so now for over 100 kilometers.
>
> The only sequence that makes sense to me is:
>
> 1. There was a bad connection or ground somewhere related to the condensor
> connection.
> 2. The second condensor was bad already or went bad very rapidly.
> 3. Reinstalling the original condensor fixed the bad connection.
>
> If anyone has any other theories I would love to hear them. What made it so
> difficult to diagnose for me was the fact that this symptom occured just about
> the time the car was fully warmed up after installing the annealed Zenith. So
> my initial assumption was that it must be related--I mean, what are the odds??
> Additionally, the symptoms seemed to be closely linked to the carb operation.
> Once warmed up, if I moved the throttle lever just off idle, just a hair (you
> know which kind), it would instantly cut out, just like you turned a switch on
> and off.
>
> At any rate, thanks to everyone who offered help. I now look foward ( I hope)
> to some relatively maintenance free motoring until the next mechanical problem
> rears its ugly head.
>
> Two positive aspects:
>
> 1. Refamiliarized myself with all details of the fuel and ignition systems
> after an absence of two years.
> 2. The above systems are 100%.
> 3. Now have a carb that doesn't leak, and hope to see slightly better mileage.
> The last one leaked like a sieve. The new annealed one is dry as a bone--for
> now.
>
> John
> Bangkok
> 1975 SIII 109, 2.25 Petrol
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