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18-04-2020
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I just registered
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Join Date: Apr 2020
Location: Norway
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1999 XJ 2.5TD stopping when going uphill with under half tank
Greetings from Norway
Recently I bought 1600 kg of hobby. A nice and rustfree Cherokee with only 119.000 km on the dial. All fluids on the car have been changed, as has the diesel filter. There is a small leak in injector #1, but that will be sorted soon.
I have one problem that I have pondered on a lot lately. When going uphill with less than half tank the engine stops. Basically it runs out of fuel. Then I have to pump and bleed the diesel filter for it to start again. The same hill with full tank is no problem. I have narrowed this down to the fuel transmitter assy in the tank. I guess it is supposed to hold a certain amount of fuel so that fuel will be delivered to the engine when going uphill and/or on winding roads. In these cases i guess the fuel is at one of the sides in the tank, and not at the pickup point. My latest epiphany is that the fuel pickup assembly is leaking internally, and therefore holds no "reserve" fuel for the uphill/winding roads.
Has anyone taken this assembly apart and rebuilt it? Is that possible for a guy with two thumbs and a lot of carrots for hands? Does my string of thoughts make sense?
Stay safe in these strange times.
Last edited by EtronX; 18-04-2020 at 05:42 AM.
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18-04-2020
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
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Are you sure the supply & return lines have not been swapped? This will cause fuel starvation when below 1/2.
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
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18-04-2020
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I just registered
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Join Date: Apr 2020
Location: Norway
Posts: 8 What Jeep do I drive?: XJ
Likes: 10
Liked 0 Times in 0 Posts
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1999 XJ 2.5TD stopping when going uphill with under half tank
Quote:
Originally Posted by layback40
Are you sure the supply & return lines have not been swapped? This will cause fuel starvation when below 1/2.
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Thanks a lot for the reply. I’ll check today, but then the next question is which of the two outlets on the fuel assembly is the sypply line?
Last edited by EtronX; 18-04-2020 at 04:06 PM.
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18-04-2020
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CrawlerStar
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Join Date: Apr 2010
Location: Melbourne Australia
Posts: 402 What Jeep do I drive?: XJ
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Also can be something to do with the pick up in the fuel tank .
Fuel supply hose can be identified if blowing a bit of mouth full of air in the hoses . When blowing in the supply hose you should hear like a bubbling sound coming from the tank ( if tank is full).
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18-04-2020
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I just registered
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Join Date: Apr 2020
Location: Norway
Posts: 8 What Jeep do I drive?: XJ
Likes: 10
Liked 0 Times in 0 Posts
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Looks like the pipe with the blue clip is the feeder line. Then everything is correct on the car. Then I guess the problem is in the whole fuel supply module. Time to take it apart.
Sent from my iPad using Tapatalk
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19-04-2020
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
Posts: 13,873 What Jeep do I drive?: XJ
Likes: 4,627
Liked 6,590 Times in 4,361 Posts
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Quote:
Originally Posted by EtronX
Thanks a lot for the reply. I’ll check today, but then the next question is which of the two outlets on the fuel assembly is the sypply line?
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If you have the fuel tank low, say below 1/4 & you remove the filler cap, you will be able to blow air through the return line without it bubbling in the tank.
If your problem is a blocked strainer screen in the tank. It can be cleared by using a compressor to blow air back down the filler line. I have even done this at a fuel station using their tyre air when I had bad fuel.
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
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20-04-2020
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I just registered
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Join Date: Apr 2020
Location: Norway
Posts: 8 What Jeep do I drive?: XJ
Likes: 10
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Thanks [emoji1303] I’ll try that.
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