X-Type ( X400 ) 2001 - 2009
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Low fuel pressure

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Old Feb 27, 2017 | 02:49 PM
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Unhappy Low fuel pressure

Hi I am new to the forums so hope I have posted in the correct place.

I bought my 2005 2.0 diesel X-Type jag aprox 6 weeks ago when I was driving along the glow plug light came on and the car cut out, I took it to the garage as I don't know much about diesel engines and they put it on a code reader, it came up with injectors or fuel pump, and I was told by the mechanic 9 out of 10 it will be the injectors, I sourced a second hand set out of a perfectly good running car with a busted turbo, I fitted them into my car and the mechanic coded them in now car wont start and there is no fuel to injectors when u crack open the unions, now the code reader says low fuel pressure Can anyone HELP please need the car fixed urgently for work.

Thank you in advance.
 

Last edited by GGG; Feb 27, 2017 at 05:34 PM. Reason: Emphasise Model & Year
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Old Feb 27, 2017 | 04:14 PM
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Ask an administrator to move this to the X-type forum. You'll probably find someone there who has had a similar fault and what cured it.
 
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Old Feb 27, 2017 | 05:32 PM
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Originally Posted by Jlabon
Hi I am new to the forums so hope I have posted in the correct place. .....
Welcome to the forum Jlabon,

I've moved your question from General Tech Help to X-Type forum. Members here with the same model will be able to help.

Graham
 
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Old Feb 27, 2017 | 05:51 PM
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Have you checked fuel filter? Part number is C2S27643.
 
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Old Feb 28, 2017 | 08:31 AM
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Hi no the fuel filter has not been checked as of yet as the car was running and useable until I changed the injectors
 
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Old Feb 28, 2017 | 09:16 AM
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You're going to have to check for proper operation of the fuel pump, to include electrical connections and output pressure. Though your problem may not be the fuel filter I think it wise to replace since you've replaced the injectors. Also advised since car is new to you and you don't know when last time filter was done.
 

Last edited by swingwing; Feb 28, 2017 at 09:19 AM. Reason: Changed sentence.
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Old Feb 28, 2017 | 09:41 AM
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Thank you for your reply, How do I check for proper operation of the fuel pump and output pressure, iv checked the electrical connectors they seem fine it has been on a code reader but all that came up was low fuel pressure if that helps.
 
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Old Feb 28, 2017 | 04:31 PM
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I'm sorry - I'm in the States and don't have any experience with the Jaguar X-Type diesel engines (they weren't sold here anyway). In reading my Haynes manual I do see that the fuel pump is mounted on the engine and is mechanically driven. The only electrical hurdle I can find reference to is the inertia fuel cut-off switch, which is designed to cut off fuel supply in event of a collision. This switch is located behind driver's side footwell kickpanel; if it's tripped you reset it by depressing the button at top of the switch. The fuel pressure sensor is on the fuel rail and is not detachable; yours is working however. Have you considered checking for fuel pressure at the filter? There are three quick-release connections on the fuel filter: Supply from pump, supply to fuel rail, and return to tank. If you disconnected pump supply then cranked engine that should tell you something. If you had fuel going into the filter but not coming out (low pressure indicated on the fuel rail) then the filter's blocked. Fitting a new filter C2S27643 would be the solution - and not a dear one either. Again, I'm just going from general troubleshooting thinking; because Jag diesels are prevalent in the UK maybe someone there who's had similar issue can confirm what I'm advising or offer other help. When you get your car back in operation I'd be interested in knowing how you found the problem and what the fix was. Hopefully it's not the fuel pump; part number is JDE8088, very expensive and looks to be complicated replacement.
 
Attached Thumbnails Low fuel pressure-diesel-fuel-pump-jde8088.jpg   Low fuel pressure-diesel-fuel-filter-c2s27643.jpg  

Last edited by swingwing; Feb 28, 2017 at 04:39 PM. Reason: Added part number, picture.
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Old Mar 1, 2017 | 03:24 AM
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Thank you for your help I will try what you have suggested and once its fixed I will tell you what was done to fix it.
 
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Old Mar 1, 2017 | 01:39 PM
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well I have changed fuel filter and now have good pressure at the injectors but still wont start, I have now removed injectors and took them to a diesel specialist to have them checked/sorted out hopefully have them back tomorrow at some point...... update on how it goes to follow tomorrow hopefuly.
 
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Old Mar 1, 2017 | 01:46 PM
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Glow plugs coming on?
 
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Old Mar 1, 2017 | 01:53 PM
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yes glow plug light comes on as it should, I was told by the mechanic that the injectors must be blocked so took them to be repaired
 
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Old Mar 3, 2017 | 05:30 PM
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Well its good news got injectors back today all sorted they looked like new ones, fitted them in the car turned the key and my car came to life again, took it for a test drive and its all good now drives great no more glow plug light when I put foot down so the original problem I had before I took injectors out is fixed, I'm well pleased first time I have drove it properly since owning it thanks to SWINGWING who tried to help and gave me advice.
 
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Old Mar 3, 2017 | 08:19 PM
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Glad to hear, and thanks for letting us know how you got back on the road. Hope I didn't give too much advice.
 
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