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Topic: Scorpio estate 1996, starting problems. (Read 1595 times) |
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janthomasz
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Scorpio estate 1996, starting problems.
« on: Mar 13th, 2014, 12:44pm » |
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Hello. I have a scorpio estate 1996, 2.3i DOHC. Somethimes it wont start. This is very random, there is no spark on the spark plugs when it wont start. Things i have bought and replaced are: spark plugs, lamda sensor, crankshaft sensor, air mass sensor and changed fuel filter. I dont have OBD in the car offcourse.  Anyone know what could be the problem. The car runs fine when it works btw. PLEASE HELP!
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Andycan
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Re: Scorpio estate 1996, starting problems.
« Reply #1 on: Mar 13th, 2014, 2:00pm » |
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Have you checked all the wiring to the coils and plugs? they do tend to loose the insulation and thus short on eachother. Also is it all the plugs that loose the spark? it could be a coilpack.
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janthomasz
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Re: Scorpio estate 1996, starting problems.
« Reply #2 on: Mar 13th, 2014, 3:12pm » |
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Hi.
Yes i have checked all the wiring and fixed missing insulation. And tested for sparks on both coils, no sparks when it wont start. But sometimes it suddenly starts and runs fine.
Thnx for reply btw. 
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janthomasz
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Re: Scorpio estate 1996, starting problems.
« Reply #4 on: Mar 13th, 2014, 9:20pm » |
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Yes partially. I have checked the fuses and replaced the sensors. Can it be the ignition back piece? cause earlier ive got this problem where the car didnt shut off when i turned the keys. Then it was the ignition back piece. But it worked after I jiggled the cables.
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Andycan
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Re: Scorpio estate 1996, starting problems.
« Reply #5 on: Mar 13th, 2014, 10:04pm » |
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I would think that is the problem then maybe the wires are damaged or there is a bad connection or worst scenario the unit is damaged
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janthomasz
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Re: Scorpio estate 1996, starting problems.
« Reply #6 on: Mar 14th, 2014, 6:54am » |
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Thx, but will the engine crank if its the ignition?
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brds
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Re: Scorpio estate 1996, starting problems.
« Reply #7 on: Mar 14th, 2014, 10:29am » |
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The engine will crank even if the ECU has no power supply, as I once found out when I left a lead off when changing the battery.
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janthomasz
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Re: Scorpio estate 1996, starting problems.
« Reply #8 on: Mar 14th, 2014, 3:04pm » |
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Thanx for replies. 
Will check ignition cables, wiring to coils or bad connection on some of the wires then. Hoping i can fix it..
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janthomasz
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Re: Scorpio estate 1996, starting problems.
« Reply #9 on: Mar 21st, 2014, 12:37pm » |
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UPDATE: IT STARTED! Fixed a couple of cables between the coils and then it started without a problem. Then it runned smoothly for a couple of days. Then suddenly it wont start again. Now im going over ALL bad wiring in the engine and hoping this will fix it. Strange this random behaviour.. Suggestions? 
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Andycan
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Re: Scorpio estate 1996, starting problems.
« Reply #10 on: Mar 21st, 2014, 3:40pm » |
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Well you need to check all the loom wiring in the engine bay as the dampness will get in and can cause this. I wonder if replacing as much of it as possible would be a good idea or go through the process you have just done all over again lol.
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PJDavis
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2 x 1995 Jag X300 3.2 / 4.0 (Henley) 1957 XK140
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Re: Scorpio estate 1996, starting problems.
« Reply #11 on: Mar 21st, 2014, 4:07pm » |
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Only just read this. I had the same problem, a while ago. Fortunately I had a brand-new 2.0 ltr shut-off-loom, and changed the connectors and re-wired where needed the difference between 2.3 and 2.0. Once in place the car started first-time and has never failed since. All wires now shrink-wrapped. I had a good look at the wires I replaced, they were in awfull condition right down to the crank-sensor, all brittle and flakey with the wires going brown with rust in places, I don't know how the car had been running so long!
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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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janthomasz
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Re: Scorpio estate 1996, starting problems.
« Reply #12 on: Mar 22nd, 2014, 7:05pm » |
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Thanx will replace all bad wiring in engine bay this tuesday. And use a little electro spray on connectors..?
Hope this will work.. will keep you updated thanx for all help.
What do you mean with shut off loom? BTW? 
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