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jaguar XJ 1988 cannot start

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16 Mar 2019 10:15 - 19 Mar 2019 10:47 #27872 by Joachim
jaguar XJ 1988 cannot start was created by Joachim
Hi Paul Danner my name is Jason Joachim, I am a level 3 JLR technician. I have a vehicle Jaguar XJ 1998 V8 Supercharge good cranking but not starting. When I received the vehicle it was getting start but no power because the fuel pump was not original and it was modified. I replaced the fuel pump and filter but still couldn't start the vehicle. Then I checked the fuel pressure it was 6 to 7 bars, spark plug was wet with fuel and the engine was flooded with fuel. After that I replaced the fuel regulator valve and injectors but the no benefit. Note: the vehicle is starts for couple of seconds.
So please advise me what should I do to fix this issue Thanks.
Last edit: 19 Mar 2019 10:47 by Joachim.

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16 Mar 2019 11:31 #27873 by guafa
Replied by guafa on topic jaguar XJ 1988 cannot start
High Joachim.
Is 6 - 7 bar the specificated pressure?
That sounds to much for me.

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17 Mar 2019 11:38 #27887 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic jaguar XJ 1988 cannot start
Just a thought, is the fuel return to the tank clear not blocked off?

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17 Mar 2019 11:57 #27890 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic jaguar XJ 1988 cannot start
1988 XJ V8 ???????????? In 1988 Jag were still using AJ6 and XJ12 engines in the XJ --- (the XJ40)

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