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BA mkII xr8 engine cut out on highway, now wont start. 

 

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 Post subject: BA mkII xr8 engine cut out on highway, now wont start.
Posted: Thu Feb 16, 2017 8:26 pm 
Parts Gopher
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Age: 31

Posts: 97

Joined: 17th Feb 2005

Ride: 05 BA MKII XR8, 95 EF gli Wagon

Location: Gosford
NSW, Australia

heyo, its been awhile since I have posted on here.

the car is a 05 BA MkII XR8 no mods.

Last Friday on the way home from work doing 110 on the free way and the engine spluttered for a second. all the gauges on the dash stopped, the seat belt light flashed. the engine then recovered for a second then spluttered again, after the third time it cut out completely.

went to try start it again, all gauges work but it wont crank. got it towed home and had a quick look at what could be wrong. this is what I have checked so far. wont be able to do any more with the car till this weekend.

have pressed the fuel button behind the left kick panel

have checked that the engine didn't seize by turning it over by hand, then momentarily bridged the starter relay to make sure the starter motor worked.

I got as far as checking all the fuses and found that fuse #30 (Injectors) in the cabin fuse box was blown.

I replaced the fuse and tried to start the car again. but still nothing. I noticed that the dash showed that it was in park when you first turn the key around but then as soon as you turn the key to start the fuse blows and then the gear is no longer displayed on the dash.

is there anywhere I can get a wiring schematic of what this fuse actually powers? I have only got the diagrams that are in the Max Ellery repair book and haven't been able to find this fuse in those diagrams.

im going to look at the Injectors and wiring on the weekend. is there any other things I should aim to check first?

cheers
Simon

*Update*

Ok so have disconnected all injectors and coils.
Have pulled out the relay and diode for the eec

The fuse now blows when the ignition it turned to on now.

I have been doing visual checks of the wiring as i have been going in the engine bay. There doesnt appear to be any where it could be shorting.

So im now guessing the short is either in the cabin some where or the ecu is s**t.

As i cant test the ecu, Before i start pulling the cabin apart is there any other things that could be causing the fuse to blow?

Regards
Simon

 

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 Post subject: Re: BA mkII xr8 engine cut out on highway, now wont start.
Posted: Sat Feb 18, 2017 2:30 pm 
Parts Gopher
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Age: 31

Posts: 97

Joined: 17th Feb 2005

Ride: 05 BA MKII XR8, 95 EF gli Wagon

Location: Gosford
NSW, Australia

Well in going through the cabin wiring, have found that there is alot of water under the drivers side carpet.

Why didnt ford leave a drain plug in the floor like they had in the e series falcons.

Will update again once i get rid of the water and check all the wiring that it was in contact with.

 

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