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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Nov 2013
Posts: 786 Likes: 18
Talk Morgan Regular
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Talk Morgan Regular
Joined: Nov 2013
Posts: 786 Likes: 18 |
the crankshaft position sensor only deteriorates if the cable is fixed on the chassis instead of being fixed on the engine, I have never had a problem with mine with more than 100,000 km.
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Joined: Feb 2019
Posts: 3,857 Likes: 2
Talk Morgan Addict
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Talk Morgan Addict
Joined: Feb 2019
Posts: 3,857 Likes: 2 |
the crankshaft position sensor only deteriorates if the cable is fixed on the chassis instead of being fixed on the engine, I have never had a problem with mine with more than 100,000 km. Thats a good point. The engine vibrates so much that the shaking would fatigue the cable.
2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)
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Joined: Mar 2014
Posts: 1,740 Likes: 57
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2014
Posts: 1,740 Likes: 57 |
It might be worth trying the S&S 106-0744 Crank Position Sensor, not a cheap part but has been known to degrade and cause this type of inconsistent error. It's definitely worth slipping it out and giving it a clean. It won't cost anything and just might make a difference?
Last edited by Bunny; 24/07/21 07:59 AM.
Andy
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Joined: Aug 2013
Posts: 1,562
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Aug 2013
Posts: 1,562 |
It might be worth trying the S&S 106-0744 Crank Position Sensor, not a cheap part but has been known to degrade and cause this type of inconsistent error. It's definitely worth slipping it out and giving it a clean. It won't cost anything and just may make a difference? I didnt know this was accessible without an engine out job - is there a write up on this somewhere ? Thanks
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Joined: Mar 2014
Posts: 1,740 Likes: 57
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2014
Posts: 1,740 Likes: 57 |
Just undo the hex head screw and slip it out. ![[Linked Image]](https://www.tm-img.com/images/2021/07/24/Crank-Position-Sensor.jpg)
Andy
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Joined: Aug 2012
Posts: 2,360 Likes: 2
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2012
Posts: 2,360 Likes: 2 |
Just put the new sensor directly to his connector And Check it
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Joined: Mar 2021
Posts: 52
Just Getting Started
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OP
Just Getting Started
Joined: Mar 2021
Posts: 52 |
Many Thanks everyone, I will try reset ting the Map first as the problem only started after installing the new Walbro Fuel Pump. If that doesn't work then yes, I will try all of the above
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Joined: Sep 2019
Posts: 366 Likes: 37
Learner Plates Off!
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Learner Plates Off!
Joined: Sep 2019
Posts: 366 Likes: 37 |
Did you check the fuel pressure after fitting the new pump?
Or did you assume - as we all would - that new pump = correct pressure?
I ask as we have had a customer who fitted a new Walbro pump and then started having running issues - new pump was showing 68 PSI at test point.....
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Joined: Mar 2021
Posts: 52
Just Getting Started
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OP
Just Getting Started
Joined: Mar 2021
Posts: 52 |
No
I didn't check.
I have no running issues at all, it's just the starting.
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