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Topic: dies after 1 sec (Read 2011 times) |
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pedropedro
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dies after 1 sec
« on: Jul 18th, 2011, 9:41am » |
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any help appreciated....engine died this morning.......if i crank over fires for about 1/4 sec then dies.....fuel pump relay only getting power for same period ditto injectors fuses relay ok
any ideas ? could it be crank sensor ?
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pedropedro
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Re: dies after 1 sec
« Reply #1 on: Jul 18th, 2011, 10:05am » |
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should have said its a 2.3
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Matt
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Manual'd and a 4.0 in the making
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Re: dies after 1 sec
« Reply #2 on: Jul 18th, 2011, 11:38am » |
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Could be, but also sound like a pats issue, is the led on the dash flashing any type of code?
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FDS2000 Scans - Birmingham
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pedropedro
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Posts: 677
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Re: dies after 1 sec
« Reply #3 on: Jul 18th, 2011, 1:50pm » |
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no flashing from the led..behaving as it should.. but tks for tip
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lesterlad aka Rodders
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2.3 Ghia x Estate (Manual)
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Re: dies after 1 sec
« Reply #4 on: Jul 18th, 2011, 2:45pm » |
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I had the exact same problem with mine in January.
Check the fuel shut off loom for cracked wiring insulation and/or exposed bare wires touching each other paying particular attention to where the cable goes round the back of and into the cylinder head.
I replaced my loom and it started first turn of the key.
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pedropedro
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Posts: 677
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Re: dies after 1 sec
« Reply #5 on: Jul 18th, 2011, 2:54pm » |
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Hi...new loom fitted a year ago so dont think its that ...but thanks for the tip
john
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PJDavis
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2 x 1995 Jag X300 3.2 / 4.0 (Henley) 1957 XK140
Posts: 1474
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Re: dies after 1 sec
« Reply #6 on: Jul 18th, 2011, 4:06pm » |
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Don't discard the Loom! Is the new one 'shrink-wrapped'? The heat around that area is quite substantial, and if the new loom isn't shrink wrapped it could easily be goosed in a year.
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I love 'Movvy'
1995 Jaguar XJ6 X300 3.2 (Henley)
1995 Jaguar XJ6 X330 4.0 (Dopey)
1957 Jaguar XK140 USA (converted to RHD, and to have fitted Mk10 420G Engine with BW 65 Auto Trans)
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pedropedro
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Posts: 677
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Re: dies after 1 sec
« Reply #7 on: Jul 18th, 2011, 4:11pm » |
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ok will check it out ...tks
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pedropedro
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Posts: 677
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Re: dies after 1 sec
« Reply #8 on: Jul 18th, 2011, 5:25pm » |
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the pump isnt running and the fuel gauge has now gone so next step is drop the tank i suppose...theres 12v getting to the pump
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: dies after 1 sec
« Reply #9 on: Jul 18th, 2011, 5:43pm » |
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EDIS wiring can also cause this, a bad connection will make the ECU kill the pump.
I had a similar one with a 2.3 where we removed all the tank/pump etc and they were fine, it was the wiring down the front inner wing that was the problem 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy! |
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pedropedro
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Posts: 677
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Re: dies after 1 sec
« Reply #10 on: Jul 18th, 2011, 6:07pm » |
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would that explain the fuel gauge reading empty though ??
the tank has fuel in it...where can i find wiring diagram for the tank end ??
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Snoopy
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Re: dies after 1 sec
« Reply #11 on: Jul 19th, 2011, 7:50am » |
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WIRING DIAGRAMS
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leewar
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I'm a YaBB newbie!
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Re: dies after 1 sec
« Reply #12 on: Jul 19th, 2011, 7:53am » |
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Snoopy, Your last post can't be read. NOT FOUND on the server. Lee
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Snoopy
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Very old.BAD tempered and missing friends.
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Re: dies after 1 sec
« Reply #13 on: Jul 19th, 2011, 8:04am » |
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It works for me !
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Simmo
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Re: dies after 1 sec
« Reply #14 on: Jul 19th, 2011, 8:08am » |
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And me 
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Now I'm an OAP
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pedropedro
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Posts: 677
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Re: dies after 1 sec
« Reply #15 on: Jul 19th, 2011, 8:17am » |
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thanks for that.. looking at the circuit for the engine electronic control re the fuel, page 22 the left half (relay) of the fuel relay is controlled by the ecu ,,,,,,pats etc etc . if a plus 12v line is taken to the top of fuse 32 that will bypass those relay contacts and the pump will run continuously..hopefully
that left side relay only closes for x1 sec at switch on, then drops out and the ecu pulls it back in once engine fires ...at the moment there is no sound from the pump at switch on
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pedropedro
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Posts: 677
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Re: dies after 1 sec
« Reply #16 on: Jul 20th, 2011, 8:21am » |
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sorted!...pump didnt run when fuse 42 was connected to 12v so knew had to be pump....connector on pump was hanging off...the spring clip was missing; must have never been fitted ...a nightmare... missed appointment, 2 hour wait for reovery truck as didnt want AA to tow re autobox, dropping tank etc etc ...urgh
wish there was an access/ inspection plate under back seat; idea for next scorpio design
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: dies after 1 sec
« Reply #17 on: Jul 20th, 2011, 9:27am » |
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Excellent 
So just a loose connector?
Dont think an inspection plate under the seat would help much though
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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pedropedro
Full Member
Posts: 677
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Re: dies after 1 sec
« Reply #18 on: Jul 20th, 2011, 10:59am » |
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yes........ loose connector
so worthknowing how that green relay functions ..the right side relaycloses on switch on, but the left one which feeds the pump needs the ecu to close it...so easy way to check whether pump is ok is to give it a permanent 12v to fuse 42 thus bypassing that left relay
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gozz
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Re: dies after 1 sec
« Reply #19 on: Jul 20th, 2011, 1:36pm » |
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on Jul 20th, 2011, 8:21am, pedropedro wrote:| wish there was an access/ inspection plate under back seat; idea for next scorpio design |
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You can cut a hole in the boot floor if you are careful not to drill the tank,then clean the edges and screw a plate over it.The centre of the tank unit is app 20" from the plastic cover over the boot lock,and app10" from the wheelarch,I refer here to the saloon.
GOZZ.
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