I love it...but....

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rmgbgt

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18
It's a 1999 l series.

I actually do love it, it hasn't let me down for 4 years, till now.

Whilst driving up a hill on an A road it started to misfire, ah fuel starvation I thought. top speeds dropped over the next 20 miles to 30mph and I stopped at a garage who was able to get a fuel filter in 30mins. No luck. AA took me home, he thought it might be an injector. I have now fitted another new filter and cleaned out the one on the injector pump lots of times and it still struggles on full power or over 40mph. Starting takes about ten seconds where it was instantanious before.

Cleaning the pump filter does usually help it for a few miles.

Are there any other 'bottle necks' I could try? Is there a filter in the tank?

If I 'push it' you feel the power drop and the engine management light comes on until you let off again.

Up to the point where it starts spluttering I have about 80% of its original power.

Note sure where to go from here.

Any help would be great. Thanks.
 
Last edited:
Hi, thanks for those. Not what I want to hear of course.

Re in tank pump, there isn't one, but thanks for that.
 
Thanks Mr Prime, please correct me if wrong but td4 has this pump not the older l series motor........?
 
Ok I have taken on board the tank thing and have removed the plastic cage/swirl pot/pickup from the tank and cleaned it through. FYI there is no pump in there. Will take car out later to see if that has helped or not.
Will keep you posted.

JRNORWAY, thanks, I will keep this in mind and hope this is not the issue as I haven't been near that side of things since timing belt replacement 3 years ago.
 
Ok, that didn't do anything.

Could it be an electrical fault with pump control or throttle potentiometer?
 
subscribed to this thread as i get the same problem intermittently. got a feeling its the injectors as if i run a cleaner through mine it goes for about 2k miles
 
rmgbgt said:
It's a 1999 l series.

I actually do love it, it hasn't let me down for 4 years, till now.

Whilst driving up a hill on an A road it started to misfire, ah fuel starvation I thought. top speeds dropped over the next 20 miles to 30mph and I stopped at a garage who was able to get a fuel filter in 30mins. No luck. AA took me home, he thought it might be an injector. I have now fitted another new filter and cleaned out the one on the injector pump lots of times and it still struggles on full power or over 40mph. Starting takes about ten seconds where it was instantanious before.

Cleaning the pump filter does usually help it for a few miles.

Are there any other 'bottle necks' I could try? Is there a filter in the tank?

If I 'push it' you feel the power drop and the engine management light comes on until you let off again.

Up to the point where it starts spluttering I have about 80% of its original power.

Note sure where to go from here.

Any help would be great. Thanks.
Click to expand...

Could be a fuel tank breather problem, try taking the fuel cap off - see if it starts up any quicker.
 
Solved!

In the absense of a lift pump in the tank there is a priming bulb in the engine bay. The check valves were full of crud.

Simples, after much heartache.

Thanks for the input guys.
 
rmgbgt said:
Solved!

In the absense of a lift pump in the tank there is a priming bulb in the engine bay. The check valves were full of crud.

Simples, after much heartache.

Thanks for the input guys.
Click to expand...

Hi thanks for letting us know what was wrong and how you sorted it, it's always good when people up-date to let others know what was wrong.

Celt69
 
Didn't want to say as part of the post as it would probably have been blamed but I have been running this on 50% wvo for 23,000 miles now with no issues, apart from this;). She has tuning box, k&n panel filter and turned up turbo and goes great. MPG equivalent ( cost wise ) to straight diesel is about 70mpg. Not bad for a 15 year old car. In real terms she gets 43mpg ( most of my runs are 50miles or so). Engine preheated to 50deg before a start.
 
rmgbgt said:
Didn't want to say as part of the post as it would probably have been blamed but I have been running this on 50% wvo for 23,000 miles now with no issues, apart from this;). She has tuning box, k&n panel filter and turned up turbo and goes great. MPG equivalent ( cost wise ) to straight diesel is about 70mpg. Not bad for a 15 year old car. In real terms she gets 43mpg ( most of my runs are 50miles or so). Engine preheated to 50deg before a start.
Click to expand...
I run mine on veg too. What tuning box like? Been thinking of getting one for mine. I have knocked the cat out of mine and unplugged egr and turned turbo up but have noticed a difference with that really.

Glad you sorted it. When I get chance I'll have a look at mine. How often do you change your fuel filter? Heard that It should be changed more often on veg
 
It's a Rover Ron box.
Change fuel filter when it needs it. ie won't go above 2500 rpm.

I have conducted speed tests to confirm performance improvement:

Focus RS doing 40mph
Porsche G3 doing 50mph
Evo 8 doing 60mph.

I was able to overtake all of these 'performance' cars with ease:)

But seriously you will notice a good increase with the box.

I have 3 power 'stages'
1 idle to 1200 not very good
1200 nice kick on the tuning box
1700 up constant pull up through 4000 on turbo and box and K&N.

Standard is 98ish hp and I guess I'm up about 130-135 now with great torque.

Haven't knock out cat yet.

Next challange is the heater matrix leak.

Down side: the springs on the driven plate don't like the torque, mind you it's a brit part clutch ( 3 years old )

Might be an idea to put a clear inline filter in before the primer, so you can watch the crap collect.
 
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Interesting stuff.

I'm thinking of running my L Series on something alternate and have a 10m x 10m part of our section that's basically unused - so though I could plant some rape seed for 'free fuel'. When I worked it out, the yield would be about a tank of fuel a year! It'd probably be more productive planting it with cabbages, getting a stall down the market and using the proceeds to buy diesel !
 
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