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SORN
by OldSkrote - 31/07/25 02:07 PM
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Forums34
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Aug 24th, 2023
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Joined: Feb 2016
Posts: 7,949 Likes: 221
Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,949 Likes: 221 |
Kurt I switch on let fuel pump stop, switch off, repeat twice then start. This was recommended by the Morgan mechanic. Its never a good starter warm or cold day. With engine warm if you switch off at traffic lights you can get caught out with reluctant to start.
Tim Have you tried the Iridium tip plugs Tim?
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Nov 2013
Posts: 1,944
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Nov 2013
Posts: 1,944 |
Richard no I haven't. Just been serviced with new plugs but dont know what they are.
Tim
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Joined: May 2015
Posts: 1,775 Likes: 19
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: May 2015
Posts: 1,775 Likes: 19 |
Kurt I switch on let fuel pump stop, switch off, repeat twice then start. This was recommended by the Morgan mechanic. Its never a good starter warm or cold day. With engine warm if you switch off at traffic lights you can get caught out with reluctant to start. An optimist on Amazon is offering a pair for £51.
Tim A pear for £51? Can't be a pair of batteries or Morgan mechanics for that money 
M3W5sp 2015, MSCC, MTWC, Oxon UK
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Joined: Dec 2015
Posts: 4
New to Talk Morgan
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New to Talk Morgan
Joined: Dec 2015
Posts: 4 |
It could well be to do with the adaptive maps within the ECU software. These continually adjust the fuel mixture and it may have gone right to the border of its parameters to compensate for the cold start. These sometimes need some time to think before a happy medium is achieved again...
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Joined: Jul 2016
Posts: 128
L - Learner Plates On
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L - Learner Plates On
Joined: Jul 2016
Posts: 128 |
Especially with catalytic converters, the engine dumps extra raw fuel to bring the converter up to temp. While it's doing that, engines can run more roughly or stall.
Long idle's will also dump extra moisture into the engine.
For cold starts, just let it idle long enough to smooth out a little (usually 30-120 seconds), then start off at modest rpm's until the oil warms up.
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