XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

no impulse at injectors

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  #21  
Old 05-04-2018, 05:47 AM
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thats frightening
 
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  #22  
Old 05-04-2018, 07:27 AM
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there is no need to go to jaguar for the cable. economically, it is not in Jaguars interest to be UP on these cars. they are 25 and 30yo... we are not where their money comes from. I knew when i accepted this car, i was kinda on my own - which was kinda cool and,,, thank god for the forum. I wouldnt have ventured here without rhe forym...

in this tech age there are many many sources for this cable. I bought some (a lenght) for dirt cheap a while back. I think warrjon, Doug, Grant or GiF walked me thru my needs waaaaay back at the beginning of what I am learning is my short journey, so far. I have a long way to go.....in more ways than one - ohhhh this life, lol.
 
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  #23  
Old 05-04-2018, 08:04 AM
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there is no need to go to jaguar for the cable. economically, it is not in Jaguars interest to be UP on these cars. they are 25 and 30yo... we are not where their money comes from. I knew when i accepted this car, i was kinda on my own - which was kinda cool and,,, thank god for the forum. I wouldnt have ventured here without the forum...

in this tech age there are many many sources for this cable. I bought some (a lenght) for dirt cheap a while back. Nothing so special. Ebay. I think warrjon, Doug, Grant or GiF walked me thru my needs waaaaay back at the beginning of what I am learning is my short journey, so far. I have a long way to go.....in more ways than one - ohhhh this life, lol.
 
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knares (05-04-2018)
  #24  
Old 05-04-2018, 08:12 AM
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Some things can be bought aftermarket, some things properly cant.
the fire damaged the oil light switch, so I needed to buy a new one.
I googled the oil light switch and came across a forum, I cant remember where, where they were discussing oil pressure on a XJS 12V
One person said his oil pressure was up to 7 to 8 bar

Another guy said his idled at 5 bar
Generally speaking, oil pressure switches are only good for about 60lb max, so I am told So I had to go to jags

Even 5 bar seems a heck of a lot to me
 
  #25  
Old 05-06-2018, 06:54 AM
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Originally Posted by orangeblossom
Hi knares

Think yourself lucky its only a Wire, I could do with a new brake pump but they are NLA as are lots of other essential spares like that
Originally Posted by knares
thats frightening
​​​​​​​Good thing is, every single component for these cars can be bought in a kit!

Unfortunately they all come preassembled and attached to a very rusty XJS body.
 

Last edited by JigJag; 05-06-2018 at 06:57 AM.
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  #26  
Old 05-09-2018, 05:58 AM
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Originally Posted by knares
Some things can be bought aftermarket, some things properly cant.
the fire damaged the oil light switch, so I needed to buy a new one.
I googled the oil light switch and came across a forum, I cant remember where, where they were discussing oil pressure on a XJS 12V
One person said his oil pressure was up to 7 to 8 bar

Another guy said his idled at 5 bar
Generally speaking, oil pressure switches are only good for about 60lb max, so I am told So I had to go to jags

Even 5 bar seems a heck of a lot to me
5 bar = 72psi

Also increased pressure can mean reduced volume - like putting your finger over the end of the garden hose - increased pressure but less volume.
 
  #27  
Old 05-09-2018, 06:46 AM
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yes, thats at idle and 8bar 120psi
 
  #28  
Old 05-12-2018, 04:36 AM
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O B
drained the tank to day, got about 80lts out of it. followed your instructions but where is the filter
"Once the Tank is empty you can then 'drift' the locking ring off the Sump Tank with a Rubber Hammer and a Piece of Wood (so you don't get any Sparks!)

Clean it out and then Replace the Internal Filter "
thanks
 
  #29  
Old 05-12-2018, 06:46 AM
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Here ya go.

no impulse at injectors-xjs-sump-tank-parts-diag.png

#2 is the drain spigot
#16 is the locking ring.
#18 is the filter.
 
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  #30  
Old 05-12-2018, 07:52 AM
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Originally Posted by Grant Francis
Here ya go.

Attachment 214385

#2 is the drain spigot
#16 is the locking ring.
#18 is the filter.
Good Morning Grant. Quick but very real question.

Is the Sump necessary? Have ya ever heard of anyone doing away with it?
 
  #31  
Old 05-12-2018, 07:56 AM
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Thanks, I figured it might be in there
I had to take that tank out because the drain didn’t line up with the hole.
The plastic bung had also been put in from the top (inside the boot) not that that was a problem
 
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  #32  
Old 05-12-2018, 08:08 AM
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Originally Posted by JayJagJay
Good Morning Grant. Quick but very real question.

Is the Sump necessary? Have ya ever heard of anyone doing away with it?
Depends on the owner.

I did away with it on one of mine, rotted out, and then mounted the fuel pump in there, and the 1/2" hose from the main tank ran direct to the pump inlet, and the HI pressure outlet faced the brass elbow in the floor, so about 6" EFI hose, all done.

Many hose joints reduced, and less clutter.

All the other holes were simply plugged with whatever I had in the stash, and sealed with JB Weld.

Tank breathing, drilled a SMALL hole in the cap, job done.

Only draw back is the tank should be kept above 1/4, or maybe, just maybe, there could be a starvation when cornering HARD, or drifting the beast.

Never worried me, coz I dont drive like that.
 
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  #33  
Old 05-12-2018, 08:13 AM
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i did say in a earlier post that the guy across the road said the fuel smelt off (he is a very good mechanic and often helps me and my family with these modern car problems)
i dont have much sense of smell but as i drained the fuel today, i started to feel crook from the smell, this has never happened before so he must have been right
 
  #34  
Old 05-12-2018, 08:43 AM
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Originally Posted by knares
O B
drained the tank to day, got about 80lts out of it. followed your instructions but where is the filter
"Once the Tank is empty you can then 'drift' the locking ring off the Sump Tank with a Rubber Hammer and a Piece of Wood (so you don't get any Sparks!)

Clean it out and then Replace the Internal Filter "
thanks
Hi knares

As soon as you take the locking ring off and then remove the plate, I thought you would see it but in any event you got there so well done

Grants drawing will show the internals in more detail
 
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  #35  
Old 05-12-2018, 09:16 AM
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Originally Posted by Grant Francis
Depends on the owner.

I did away with it on one of mine, rotted out, and then mounted the fuel pump in there, and the 1/2" hose from the main tank ran direct to the pump inlet, and the HI pressure outlet faced the brass elbow in the floor, so about 6" EFI hose, all done.
Hi Grant. I had a crazy situation with my fuel pump and wiring the other day (I wont even go into it) which made me start fussing with all the things that come together in the boot for fueling. The sump is a bit of a pain and I was thinking to do away with it and just mount the filter and the pump in the space behind the wheel and made up differences with some good 30r9 hose I just got in the mail. I think I will and see how it goes.

As usual, deep bow and thanks
 
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  #36  
Old 05-12-2018, 06:00 PM
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Forgot, AGAIN.

My fuel filter is under the bonnet, where it should be in the 1st place, just on the chassis rail to the right of the a/c idler pulley, then a shorter a/c belt keeps that pulley well clear of the filter, just in case.
 
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  #37  
Old 05-12-2018, 06:18 PM
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Hmm. Do you worry about heat? It seems like it could build up pretty good in the canister as opposed to the thin walls of the rail, metal piping and rubber tubing. I like it though! I do.

what about particulates going directly into the pump, with out the Sump screen? 2 filters, maybe? Just thinking out loud. I mean, the inside of my tank, and others I've seen over the years aren't always a pretty sight.
 
  #38  
Old 05-13-2018, 01:45 AM
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Aussie mate, no fuel rust down here, near on no Ethanol to worry about, and we DRIVE our cars, the fuel never gets time to go off.

A 1/2" universal filter in the supply hose would do no harm, I never bothered.

Heat, NAH, not an issue, fuel passes too quick to get hot, and the PreHE Sedan had the fuel filter mounted on top of the RH inlet manifold, and they had no issues at all.

Maybe I worry less than most, its a car, drive it, enjoy it, drink heaps, SMILE the SMILE.
 
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  #39  
Old 05-13-2018, 11:33 AM
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right, right and understood. i'll grab a small universal filter for the boot and put it in line,,, mount the larger CAN in under the hood. yup. great thinking as usual, from down-under
 
  #40  
Old 05-13-2018, 12:18 PM
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Originally Posted by JayJagJay
right, right and understood. i'll grab a small universal filter for the boot and put it in line,,, mount the larger CAN in under the hood. yup. great thinking as usual, from down-under
You need a half inch diameter filter or the volume it flows (by gravity) to the pump will be insufficient. Rockauto have a WIX brand one, very cheap, high flow. But, if you are going to do away with the sump tank, I think you should post the system and pipework you are going to adopt for the guys to look at. It is quite easy to mess up the tank breathing, or the vapour recovery system your car will have, if you move from strict OEM.
Greg
 


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