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Coil and Dizzy changed XG ute now have another problem NEXT 

 

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 Post subject: Coil and Dizzy changed XG ute now have another problem NEXT
Posted: Sat Dec 22, 2007 8:13 pm 
Getting Side Ways
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Howdy

I reciently broke down so i replaced the coil and the dizzy.

Once this was done we lined it all up - timing spot on.

When it was idleing it was fine - revved fine also.

Went to take it home and i lost power and acceleration + it started to idle rough

No power at all had to crawl back to the shed - Now it wont start at all or goes to kick over and dies

Any ideas? Computer or anything?

Last edited by xf_man on Thu Dec 27, 2007 9:18 pm, edited 2 times in total.

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Posted: Sat Dec 22, 2007 9:05 pm 
Getting Side Ways
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do you have any spark?
is there any power on the coil + terminal, how much voltage?
whats the coil lead like?

plenty of things could be the cause, its just a matter stepping through and isolating one at a time
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Posted: Sat Dec 22, 2007 10:16 pm 
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did you change the dizzy module? its possible that was the problem in the first place and its cooked another coil
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Posted: Sat Dec 22, 2007 11:39 pm 
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xgs have a problem with the power relay, cranks but not start. also u shouldn't wire tie the leads togethor but u have to on xg-xh-ea-ed sometimes cause they arc across to the heaterpipe that runs past the dizzy cap, can cause rough idle lacking power.
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Posted: Thu Dec 27, 2007 9:19 pm 
Getting Side Ways
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OK an update

TFI Module - Brand new as well as dizzy

Coil Lead - Swapped for a working one - no difference

Coil - Brand new

Ute goes to kick over but just does not fire

Also has spark
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Posted: Thu Dec 27, 2007 11:13 pm 
Getting Side Ways
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well if it has spark, check to see if its getting fuel...
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Posted: Fri Dec 28, 2007 12:53 am 
Oompa Loompa
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Muffy wrote:
xgs have a problem with the power relay, cranks but not start. also u shouldn't wire tie the leads togethor but u have to on xg-xh-ea-ed sometimes cause they arc across to the heaterpipe that runs past the dizzy cap, can cause rough idle lacking power.


That is exactly what happened to mine, put a multimeter on it and only 6 volts not 12 running thru it. Put another one on it and it was fixed.

 

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Posted: Fri Dec 28, 2007 1:47 pm 
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can i ask where the power relay is?
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Posted: Fri Dec 28, 2007 2:12 pm 
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Behind right hand shock mount you will see 2 relays. I think from memory one is the power relay and the other is fuel pump.....I might be wrong as it has been a while.

 

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Posted: Wed Jan 02, 2008 7:02 pm 
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what is the best way to check to see if fuel is present?


Also can we force some kind of aerostart into it to see if will crank?
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Posted: Thu Jan 03, 2008 11:57 pm 
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Ok we had a fiddle tonight

Got it running nicey - took for a test run and it died again

Seems like the computer is adjusting the timing when it warms up

My question is - the book tells me there is a dizzy dianostics wire that need to be earthed - If so where is it on the XG? Its not where the book says it is.

Also the dizy i have is an aftermarket one - should i get another motorcraft one and try that?
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Posted: Fri Jan 04, 2008 12:15 am 
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so was it the leads or the relay?

 

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Posted: Fri Jan 04, 2008 12:42 am 
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next time when it cuts out, check for spark, and it might be worth taking getting an injector test light to see if theres any injection pulses. Also make sure the pump is priming, you should be able to hear it when the key is 1st turned on.
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Posted: Fri Jan 04, 2008 2:39 am 
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66 coupe wrote:
next time when it cuts out, check for spark, and it might be worth taking getting an injector test light to see if theres any injection pulses. Also make sure the pump is priming, you should be able to hear it when the key is 1st turned on.


injector test light would that just be a LED and resistor?

 

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Posted: Fri Jan 04, 2008 12:35 pm 
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