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Home > Technical > Low fuel pressure “ mystery “ |
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James s m Member Since: 16 Nov 2023 Location: Highlands Posts: 10 |
Hi everyone
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Wed Jan 31 2024 11:36pm |
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erickwan Member Since: 27 Mar 2016 Location: P Jaya Posts: 120 |
Try changing the fuel cap on your fuel tank |
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Fri Feb 09 2024 4:20pm |
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James s m Member Since: 16 Nov 2023 Location: Highlands Posts: 10 |
Hi thanks for your reply
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Fri Feb 09 2024 6:02pm |
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James s m Member Since: 16 Nov 2023 Location: Highlands Posts: 10 |
Hi !
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Sat Feb 10 2024 11:38am |
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NoExpert Member Since: 28 Jan 2022 Location: Poznań, Poland Posts: 422 |
Have they replaced the rail the fuel pressure sensor goes into? Just curious as it’s been revised twice. Could also have something in it from the fuel pump failure. That’s where I’d be looking with the list of things you’ve done so far. 2011 RRS HSE Luxury 3.0 TDV6 Fuji White on Ebony/Ivory
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Sat Feb 10 2024 2:18pm |
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erickwan Member Since: 27 Mar 2016 Location: P Jaya Posts: 120 |
I am currently away overseas from home, so I cannot be 100% sure. But something like the GapII tool may be able to monitor fuel pressures in real-time. That would be of help hopefully. |
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Sat Feb 10 2024 3:28pm |
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James s m Member Since: 16 Nov 2023 Location: Highlands Posts: 10 |
Hi Well the specialist it was at changed the sensor only for an aftermarket one just too see but it made no difference so they put the original one back in , then the dealer changed it for a genuine one but they come from Land Rover with the fuel rail attached !, as like a hole peace unit but at about £400 pound ! But still made no difference to why is shows low and sometimes high fuel pressure. 2017-Discovery 5 TDV6 HSE 2007-Range Rover sport “ endless money pit “ 2005-Discovery 3 |
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Sat Feb 10 2024 6:07pm |
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James s m Member Since: 16 Nov 2023 Location: Highlands Posts: 10 |
Hi Yes I got an IID TOOL like 5 years ago , one of the best things I ever bought especially when you have two Land Rovers it’s almost used weekly ! It’s great for reading the fault codes and looking at live data but all I can tell is that the fuel rail pressure is running two low ,starts of fine at 27,000 kpa once the car is first started but after a few minutes of driving the pressure slowly drops down the only 23,000 kpa and it shows very rough pressure when left to ideal ? So yeah it’s great but don’t think it can help point to the cause ? Photo of the fuel pressure after car has warmed up and been restarted “ pressure graph are always just rougher once car has warmed up “ 2017-Discovery 5 TDV6 HSE 2007-Range Rover sport “ endless money pit “ 2005-Discovery 3 |
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Sat Feb 10 2024 6:21pm |
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