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SteveMarquis



Member Since: 06 May 2023
Location: Thurso
Posts: 5

Scotland 1994 Defender 90 300 Tdi CSW Rutland Red
Intermittent power loss - RESOLVED 300Tdi
I've been told by a local Defender 90 300tdi owner (I've the same beastie) how to fix an intermittent power loss problem I have on my '94 beastie which he had also experienced.

The power occasionally died right off slowing me to a crawl if lucky. After a rest the problem resolved itself with a cough and a splutter and it could be a few weeks before the next occasion.

His story was (unbeknownst to him) loosing the foil top of a fuel additive seal bottle in the tank and that occasionally blocked the fuel inlet. I've used additive and as I can't find any other issue I thought I'd have a look.

I got myself a spare cork gasket (ESR3278) as I'd have messed it had I not, cleaned up the area to keep the sh!t out of the tank (toothbrush and WD40), loosened the five screws and guess what I saw below the pickup.  The offending bottle seal! 

I'll have to fabricate a gauze cage from a stainless tea strainer for a coarse filter as there's nothing in evidence but I'll do that at a later date.

I used a triangular needle file to catch any stealth bottle seals hiding out of reach as it wouldn't be able to seal by cutting a wee V in the tip.

Kit needed, head torch, grabber, spare gasket, long cross-head screwdriver (screw nearest the door is a bar steward). Steve

1994 ex-MOD Defender 110 200TDi Tithonus and a 1994 Defender 90 300TDi Count in the far North of Scotland.

Ex-maker of spanners now learning to use one 😊
Post #1005939 30th Aug 2023 4:41pm
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 1050

France 2002 Defender 110 Td5 DCPU Chawton White
Moral of the story? Don't use fuel additives!
Post #1005943 30th Aug 2023 5:28pm
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SteveMarquis



Member Since: 06 May 2023
Location: Thurso
Posts: 5

Scotland 1994 Defender 90 300 Tdi CSW Rutland Red
Well given I collected it in Essex and drove it home to the far North of Scotland I figured that it wouldn't do it any harm. I don't think it was mine anyway. Steve

1994 ex-MOD Defender 110 200TDi Tithonus and a 1994 Defender 90 300TDi Count in the far North of Scotland.

Ex-maker of spanners now learning to use one 😊
Post #1005945 30th Aug 2023 5:56pm
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