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Jun 14th, 2026
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Joined: Jun 2010
Posts: 29 Likes: 1
Just Getting Started
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OP
Just Getting Started
Joined: Jun 2010
Posts: 29 Likes: 1 |
Still having problems with my 1983 4/4 it has a cvh engine, and to date I have cleaned out the fuel filter, cleaned the breather pipes, and felt the vacuum pipes (they compress and seem to be supple, I have replaced the distributer cap, rotor arm, ignition amplifier, coil (these are Intermotor brand) and checked the leads also the plugs are a nice light brown colour and the car runs OK for about 18 miles then it looses power, and starts to chug I have to rev it at traffic light sand when I got home it cut out and wold not start for about 10 minutes. I would be grateful for any suggestions, does anybody know of a garage in Liverpool who could help?, I would go to Lifes only they are very busy.
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Joined: Dec 2011
Posts: 197 Likes: 1
L - Learner Plates On
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L - Learner Plates On
Joined: Dec 2011
Posts: 197 Likes: 1 |
I have used Powertune in Widnes for a Westfield. 1750 cc with twin 40's in the past and they got it running quite well.
They have a rolling road so can simulate your problem.
They have a website for contact details.
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Joined: Sep 2010
Posts: 2,431 Likes: 17
Talk Morgan Expert
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Talk Morgan Expert
Joined: Sep 2010
Posts: 2,431 Likes: 17 |
Condenser? If it has one .......
1969 4/4
1995 plus 8
1996 Plus 4 4seater
2002 Aero S1
2013 M3W
2014 Plus 8
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Joined: Feb 2012
Posts: 5,654 Likes: 4
Charter Member
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Charter Member
Joined: Feb 2012
Posts: 5,654 Likes: 4 |
If you are saying it runs fine for 18 miles then I would be investigate the fuel supply. Ie dirt in carburettor, fuel pump, tank breather or even dirt in the tank.
Good luck in finding the problem.
Martin (Deano)
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Joined: Jan 2012
Posts: 14,976 Likes: 2
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jan 2012
Posts: 14,976 Likes: 2 |
How hot is the engine bay after 18 miles?
Richard
1976 4/4 4 Seater
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Joined: May 2011
Posts: 4,896
Drive on the Wild Side Part of the Furniture
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Drive on the Wild Side Part of the Furniture
Joined: May 2011
Posts: 4,896 |
Still having problems with my 1983 4/4 it has a cvh engine, and to date I have cleaned out the fuel filter, cleaned the breather pipes, and felt the vacuum pipes (they compress and seem to be supple, I have replaced the distributer cap, rotor arm, ignition amplifier, coil (these are Intermotor brand) and checked the leads also the plugs are a nice light brown colour and the car runs OK for about 18 miles then it looses power, and starts to chug I have to rev it at traffic light sand when I got home it cut out and wold not start for about 10 minutes. I would be grateful for any suggestions, does anybody know of a garage in Liverpool who could help?, I would go to Lifes only they are very busy.
Does it miss fire when it starts loosing power? Sound like possible fuel issue or condenser braking down as it gets hot. Have seen this caused by burnt valve not seating properly went it gets hot hence loss of power. Does it burn oil, look at exhaust and see if black or it whitish grey, if sooty the get a compression test on all cylinders, if one is low could be valve or leaking gasket between 2 cylinders that gets worse as engine heats up. Hope you resolve easily.
Adrian
Buggered Off, to a modern none leaky car, heart's still ticking
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Joined: Aug 2010
Posts: 5,464 Likes: 171
Charter Member
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Charter Member
Joined: Aug 2010
Posts: 5,464 Likes: 171 |
Does the car have an automatic choke?
If so, check that the choke is fully deactivating when the engine is hot. If not, try backing off the choke mechanism (loosen the cylindrical part and rotate) - with the air filter off, you will see which way to turn it - away from choke activation.
Better still, fit a new carburettor with a manual choke.
Paul
Costock, UK
Plus Four 75th - Furka Rouge - Pip
Disco 5
Teddy - 17h1 Irish Draught cross
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Joined: May 2014
Posts: 5,439 Likes: 131
Black Rat Charter Member
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Black Rat Charter Member
Joined: May 2014
Posts: 5,439 Likes: 131 |
Keith
2013 narrow bodied + 4 Ruby.
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Joined: Nov 2007
Posts: 306
Learner Plates Off!
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Learner Plates Off!
Joined: Nov 2007
Posts: 306 |
Check the diaphragms on the carb. If you have an electirc choke there should be three of them. I had this problem with my cvh 4/4 and it fixed it. David 
1997 Plus 4, Metalic Blue.
2000 Toyota Yaris. (The Tardis)
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Joined: Aug 2013
Posts: 3,383 Likes: 14
Talk Morgan Addict
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Talk Morgan Addict
Joined: Aug 2013
Posts: 3,383 Likes: 14 |
Still having problems with my 1983 4/4 it has a cvh engine, and to date I have cleaned out the fuel filter, cleaned the breather pipes, and felt the vacuum pipes (they compress and seem to be supple, I have replaced the distributer cap, rotor arm, ignition amplifier, coil (these are Intermotor brand) and checked the leads also the plugs are a nice light brown colour and the car runs OK for about 18 miles then it looses power, and starts to chug I have to rev it at traffic light sand when I got home it cut out and wold not start for about 10 minutes. I would be grateful for any suggestions, does anybody know of a garage in Liverpool who could help?, I would go to Lifes only they are very busy.
Might seem a daft idea but the distance you quote and things changed made the grey matter stir.....have you tried driving with the fuel cap off to see if it makes a difference? You would not be the first to have a fuel vent blockage!
BR Colin
Who used to be a Spanner Juggler
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