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buckers19

Member Since: 02 Jan 2018
Location: London
Posts: 95

1993 Defender 90 300 Tdi CSW Barolo Black

300tdi leaky injectors

I’m on the hunt for issues that are contributing to my horrific fuel economy and I think I have some leaking injectors. 1 and 2 seem to be weeping oil/fuel, Unsure which but I’d imagine it’s fuel.

Does anyone have any pointers as to why this could be happening and what can be done to resolve it.

Apologies for the somewhat daft question but I’m not the most knowledgable when it comes to the engine bay.

Matt

Click image to enlarge

30th Apr 2018 12:36pm

Huttopia

Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1978

What mileage has it done? My injector pump has just been rebuilt and injectors replaced at 187k. Not helped by discovering some numpty had wound up the dial on the pump and it was hosing out..... I expect fuel economy to be a bit better when the engine is finally rebuilt.....

30th Apr 2018 1:11pm

buckers19

Member Since: 02 Jan 2018
Location: London
Posts: 95

It’s done a hair over 140 000. I’ve had a more thorough poke around and found that the leak off pipe was in 2 bits so replaced that so hopefully that will have solved the issue.

30th Apr 2018 1:21pm

trickster5000

Member Since: 12 Dec 2015
Location: East Yorkshire
Posts: 521

I was just about to say it's probably the leak off pipes, same happened on mine, they often get small cracks in and the diesel will run down the injector onto the clamp and make a mess. Give everything a good wipe down while you're there and then next time you go out in it you will be able to see if you've fixed it

Matt.

'89 90 CSW with a 3.5 V8 conversion (WIP) - http://www.defender2.net/forum/topic46809.html

30th Apr 2018 5:05pm

buckers19

Member Since: 02 Jan 2018
Location: London
Posts: 95

Thanks Trickster, the offending area has been cleaned so will wait and see whether that was the issue, hopefully the bit of pipe lying around in the garage has saved me from filling up every 100 miles

30th Apr 2018 5:55pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

leak off pipes

https://www.ssldieselparts.co.uk/cotton-ov...p-661.html

30th Apr 2018 6:16pm

trickster5000

Member Since: 12 Dec 2015
Location: East Yorkshire
Posts: 521

I would do as Dorsetsmith suggests and buy some proper, snug fitting pipe or buy the whole leak off pipe kit off Paddocks including new washer and banjo bolts just to be safe - quite cheap Matt.

'89 90 CSW with a 3.5 V8 conversion (WIP) - http://www.defender2.net/forum/topic46809.html

30th Apr 2018 7:59pm

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