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L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10751

Millie's Problem

Millie has developed a problem, it started about 2 weeks ago

The best way to describe it, is when your driving along, slow, medium or faster it does not matter what speed your doing, is it's like someone is turning the engine off and then straight away turns it back on, but the engine does not stop, it's like she is coughing, you have to lift off the throttle so she can catch up and then put the throttle on again slowly, sometimes she does this once or twice or all the way to work or all the way back home.
I thought at first it was like fuel starvation, so i have ( yes me ) changed the fuel lift pump for a new one, but it still happens, so i have come to you O wise ones for a bit of help in trying to sort this out.

Thanks in advance and reading this

1996 Golf Blue 300Tdi 110 Pick up.

Keeper.

Clayton.

24th Jun 2019 8:03pm

boxoftricks

Member Since: 06 Feb 2019
Location: Home Counties
Posts: 747

2011 Defender 110 Puma 2.4 USW Zermatt Silver

Is it the ignition barrel becoming warn. Sounds similar to a guy on here who kept breaking down in France. Turned out he had a cheap aftermarket ignition barrel that was the cause.

24th Jun 2019 8:34pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4785

Sounds like stop solenoid or ignition to me

2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton

24th Jun 2019 8:42pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10751

Thanks guys

Never thought of the ignition barrel

I did think of the stop solenoid George, are they easy to change over/ replace for new one ?

I have never had this problem before

1996 Golf Blue 300Tdi 110 Pick up.

Keeper.

Clayton.

24th Jun 2019 9:00pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4785

I've not had to do one so I'm not sure. 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton

24th Jun 2019 9:14pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10751

Ok George, thanks

1996 Golf Blue 300Tdi 110 Pick up.

Keeper.

Clayton.

24th Jun 2019 9:22pm

300TDi CSW Phil

Member Since: 03 Apr 2016
Location: Bracknell
Posts: 750

1995 Defender 110 300 Tdi CSW Epsom Green

It could be crud in the fuel solenoid power connector.

I had very similar with mine a while back. Disconnected it, cleaned it up, reconnected it and waiting for it to happen again. 1995 300 Tdi Epsom Green - It's a keeper.
Wide Track Sankey- In bits- Gone to a new home
M0XQS

24th Jun 2019 9:26pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10751

Hi Phil

Is the fuel solenoid the stop solenoid ?

If so i will give it a go, thanks

1996 Golf Blue 300Tdi 110 Pick up.

Keeper.

Clayton.

24th Jun 2019 9:34pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10751

I have just watched a you tube on changing the stop solenoid, not to bad but very fiddly

1996 Golf Blue 300Tdi 110 Pick up.

Keeper.

Clayton.

24th Jun 2019 9:37pm

300TDi CSW Phil

Member Since: 03 Apr 2016
Location: Bracknell
Posts: 750

There is one wire that goes to the top of the fuel pump which powers a solenoid which only lets fuel flow when there is 12v positive to it. This was what my issue was. I have seen it referred to as either but am happy for someone to put me right on the correct terminology. 1995 300 Tdi Epsom Green - It's a keeper.
Wide Track Sankey- In bits- Gone to a new home
M0XQS

24th Jun 2019 9:41pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10751

Thanks Phil, that is correct as that is what i saw in the you tube about changing the stop solenoid

Will give it a good clean up tomorrow

1996 Golf Blue 300Tdi 110 Pick up.

Keeper.

Clayton.

24th Jun 2019 9:55pm

Retroanaconda

Member Since: 04 Jan 2012
Location: Scotland
Posts: 2645

Run a temporary 12V supply from battery to the solenoid and if it fixes it then the wiring or switch is the problem, if not then maybe the solenoid itself. However they are pretty reliable.

25th Jun 2019 6:35am

donmacn

Member Since: 06 Nov 2017
Location: Nth Scotland
Posts: 1841

It's funny how quickly you forget stuff that gets sorted easily. I had exactly the same issue as yourself, but maybe not as 'severe'.

Folk pointed me towards the solenoid and when nudging the connection, while the engine was running, I got the 'cough'. So, I did exactly as Retro has suggested (it was probably him I got the advice from!) and put a cable between the battery and the solenoid. No more coughing.

To be honest, it's nice to have the 'diagnostic' approach, but if that crimp connector has been there for any length of time I'd just replace it straight away. Crimping on a new one takes seconds, a wee bit of sandpaper on the solenoid terminal, and you're good to go. If that doesn't work, then I suppose the connector inside the cable could be broken somewhere, but a new and separate wire would then help eliminate that.

Can't have an old girl like Millie getting a cough! Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong
(The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html )
2000 Range Rover P38 4.0L V8

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...

25th Jun 2019 8:44am

GREENI

Member Since: 22 Aug 2010
Location: staffs
Posts: 10381

My old (new) one did similar... which lead to me selling it as it was the second time it let me down!

Where the bulkhead white block connector is (on the pedal box), the thick white wire is the stop solenoid wire. It had corroded in the block and was coming away and stopping the fuel.
May be worth having a look around there.

I had no tools with me and Dan from DT Engine Solutions graciously came out to my rescue. Although raiding my bosses garage at 10pm for connectors and wires helped also.

Click image to enlarge

25th Jun 2019 9:47am

Tommybahama32

Member Since: 11 Sep 2017
Location: cheshire
Posts: 31

1996 Defender 90 300 Tdi HT Bronze Green

I had a issue with the bulkhead connector, just driving along and engine cut out. no feed to the stop solenoid. Traced the wire back to the block, live feed in but due to corrosion in the block no live feed out. Fixed it by just bypassing the block with a new piece of wire job done.

25th Jun 2019 11:32am

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