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EB XR6 wont start (weak spark) 

 

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 Post subject: EB XR6 wont start (weak spark)
Posted: Sat Oct 17, 2009 4:11 pm 
Stock as a Rock
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Age: 33

Posts: 100

Joined: 7th Feb 2009

Ride: EL Fairmont Ghia

Location: Gold Coast
QLD, Australia

Iv got an eb 4.0 that wont start, am a mechenic but cant find problem, coil is good distributer is new, fuses and fusable links are ok all sensors are ok. Im getting very weak orange spark, the plug on back of coil is ment to be battery voltage with ignition on im only getting 11.3 volts and the number 5 wire on distributer should be around 11 volts im getting nothing, im guessing my ecu is cactus opened it up smells ok can't see any burn marks on circit board, its an XR6 manual so cant just rip an ecu out of a car at the wreakers. Has anybody had similar problem they have fixed? Any help would be good

ps, the interior light fuse is not blown
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 Post subject: Re: EB XR6 wont start (weak spark)
Posted: Sat Oct 17, 2009 5:39 pm 
Getting Side Ways
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Age: 29

Posts: 4182

Joined: 30th May 2005

Ride: 1993 EB XR8

Location: BrisVegas
QLD, Australia

TFI Fried? Battery rooted? they will not help if they are issues. Have you tried the battery?

 

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ILL60 - EF XR8, Sunroof, Ticky Kit, 19x8.5/19x11 TE37's, 347, AFr185's, TFS BoxRcustom converter, Hurst Quarterstick, huge billet cam.

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 Post subject: Re: EB XR6 wont start (weak spark)
Posted: Sat Oct 17, 2009 6:04 pm 
Getting Side Ways
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Age: 49

Posts: 1634

Joined: 8th Jul 2007

Gallery: 21 images

Ride: EL F100 CAPRI XR EF

Power: 234 rwkw

Location: brighton
SA, Australia

hi, welcome to fordmods

u say the dizzy is new, did u replace it because u thought that was the problem?
the tfi on the dizzy can fail because the coil is crook and on the way out
so when u replaced the dizzy the coil still had the same problem maybe.
do u have another good or new coil u can try?

ive heard from a few places its best to replace coil and dizzy at the same time, so one wont cause the other to fail, just a thought...
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 Post subject: Re: EB XR6 wont start (weak spark)
Posted: Sat Oct 17, 2009 6:11 pm 
Stock as a Rock
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Age: 33

Posts: 100

Joined: 7th Feb 2009

Ride: EL Fairmont Ghia

Location: Gold Coast
QLD, Australia

iv conected a spark plug straight from a new coil still no good, has nothing to do with distributer or tfi im not getting corect power to it, battery is like new, it has to be wire loom ecu or a hidden fuse but iv got a wire loom diagram cant see any hidden fuses
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 Post subject: Re: EB XR6 wont start (weak spark)
Posted: Sat Oct 17, 2009 6:18 pm 
Stock as a Rock
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Age: 33

Posts: 100

Joined: 7th Feb 2009

Ride: EL Fairmont Ghia

Location: Gold Coast
QLD, Australia

i rebuilt motor replaced distributer cos it looked like it was origanal, car was running fine with new distributer and tfi, nothing was wrong with old one anyway.
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 Post subject: Re: EB XR6 wont start (weak spark)
Posted: Sun Oct 18, 2009 2:12 pm 
Getting Side Ways
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Age: 34

Posts: 638

Joined: 6th Nov 2004

Ride: 1994 Ford EF Fairmont Ghia Sedan

Location: Melbourne
VIC, Australia

Have checked all your grounding points? Sounds like one of them may be up the creek

 

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1994 ford fairmont ghia - Currently 302 with T5 - Work in progress :P

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