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Topic: No spark on 24v 1995 Scorpio (Read 699 times) |
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cossie207
Newbie
I'm a Scorpio addict
Posts: 3
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No spark on 24v 1995 Scorpio
« on: Jan 28th, 2011, 7:21pm » |
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hi all, iwe got a major problem on a frinds 24v Cosworth. THERE IS NO SPARK! what done so far: Wires checked from PCM to EDIS, EDIS to Coil, Every fuse and rely have been checked, No water in fuseboxes. Petrol system ok, sparkplugs are "wet" PCM, EDIS, Capacitor, Crankshaft Position Sensor, Camshaft Position Sensor, Coil checked with sparepart from OK Ultima 1995 I went to a Garage with the big Bosch tester to get potential error code out of the PCM byt there where NONE. After testing everything the only problem they could find is that pin 50 of the PCM gives 12v but should only give 5 volts ?? SO if you could give any idear before this beuaty goes into the haubor.... Does enyone know where "PATS system fuses" are located? best regaurds Carsten from Denmark
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1986 Scorpio 2,9 150hp 1993 Cosworth 195hp 1995 Cosworth Ultima 207 hp 1996+1997 Cossy Spareparts
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david_molloy
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Posts: 172
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Re: No spark on 24v 1995 Scorpio
« Reply #1 on: Jan 28th, 2011, 11:17pm » |
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Hello Have you read both my posts "24V bizarre & weird starting problems" and "UPDATE.........". Won't repeat them as on site. Problem eventually traced to wiring loom. Also no DTC codes generated either apart from an old cat sensors one which has existed for over a year - so nothing to do with problem. Have you tried battery disconnect for a couple of minutes. Worked for me every time car would not start. Hope this helps
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david_molloy
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Re: No spark on 24v 1995 Scorpio
« Reply #2 on: Jan 28th, 2011, 11:20pm » |
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Hello again Forgot to add that when car would not start there was NO spark but it came back after battery disconnected for a couple of minutes as car started straight away.
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cossie207
Newbie
I'm a Scorpio addict
Posts: 3
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Re: No spark on 24v 1995 Scorpio
« Reply #3 on: Jan 29th, 2011, 8:52am » |
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Hello David Have checket all the ususal wiring loom problems, mesaured the cabels and ther i no problem, byt i“havent considerd disconnecting the battery. I will try on monday morning. Thanks for the input an i“ll read your "24V bizarre & weird starting problems" /Carsten
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1986 Scorpio 2,9 150hp 1993 Cosworth 195hp 1995 Cosworth Ultima 207 hp 1996+1997 Cossy Spareparts
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: No spark on 24v 1995 Scorpio
« Reply #4 on: Jan 29th, 2011, 6:10pm » |
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pats system fuses are sort of hidden with other systems all under the title electronics,
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FDS2000 Scans - Birmingham
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