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MG MGA - Quiz time

Quiz time
This morning I was in my MGA (as usual) on the way to work when I ran through a big hole.
After that the car started to die on me at infrequent intervals, sometimes just a judder at others no power for up to 2 seconds. It got to the point where I thought I would have to get the bonnet up but as it was rather wet at the time I decided to battle on to work or to the point of having to do it.
As I need to get home this evening, I will need to fix the problem and I already have my suspicions. Just thought you might like to take an educated guess as to the culprit.
Two things that are useful as additional info:-
1) The fuel pump still ticked
2) The starter was changed 2 weeks ago.

I will inform the solution tomorrow. Sorry no prizes but the satisfaction of being an MGA geek ;-)

Cheers
Neil
Neil Purves

Neil
It sounds like an electrical problem, Loose or broken coil wire.

Ken
L Caya

Neil

Was it a black hole? Parts of your car may have got to work ahead of the rest!

Steve
Steve Gyles

Was the hole full of water? Might have put some moisture on your distributor cap and wires.
Ed Bell

Steve
I like the thought of the black hole. Indeed there was some time travel involved as the surface below the tarmac was the original Belgian cobblestone!!
We have a number of roads in such condition here in Belgium, one minute it is smooth and the next you are back in the 1600's.
There are a few Stella Artois adverts running in the UK portraying Belgium in what looks like the middle ages. In fact that is how things are today, no special effects needed!!

Neil
Neil Purves

Wild guess #1.
I think you knocked a fuse loose.
Wild guess #2.
Your battery wire loosened off of the terminal.
mike parker

My guess; loose HT (or LT) wire from coil.

Neil
Neil McGurk

No need to waste time guessing. Just go through the normal diagnostics, fix it immediately, and drive on.
Barney Gaylord

And the answer was...

LT spade clip was not correctly fixed on the terminal.

When I removed the starter motor a couple of weeks ago I removed the cables from the distributor to get better access. Putting it back I only got one leg of the spade onto the terminal. As I went through the hole it loosened and caused intermittant cut-out.

Easy fix. Running perfectly again.

Neil
Neil Purves

Neil

It's that black hole of an engine compartment - very dense area, no light. Once a bit goes in, it's there for keeps, almost impossible to get out again without removing other stuff.

Steve
Steve Gyles

Why I hate Lucar Connectors: http://mgaguru.com/mgtech/electric/et103a.htm
Barney Gaylord

Hey Neil, does my answer qualify for the prize then? Oh, no prizes, just Geek of the week!
Neil McGurk

As an ancient electronics technician, if something doesn't work or stops working, always go back to the last work done. Murphey is a comedian; if there is the slightest chance of something you did can go wrong, it will!
Russ
Russ Carnes

This thread was discussed between 21/10/2008 and 01/11/2008

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