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Cranking but no spark 

 

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 Post subject: Cranking but no spark
Posted: Thu May 07, 2009 4:28 pm 
Oompa Loompa
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Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

Hi Just need some help with my problem.

The wifes ef wagon got towed home, as it has no spark. It does crank but doesnt create any spark to the plugs.

Now i have replaced the coil pak and still no spark. Rather costly well of finding out it wasnt the problem.

Can anyone point me in the right direction. What else could be causing it to have no spark.


Thanks for your help
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 Post subject: Re: Cranking but no spark
Posted: Thu May 07, 2009 4:30 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

does the interior light work still, may have blown the crt fuse under the dash, it controls the smartlock - wont start if its blown
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 Post subject: Re: Cranking but no spark
Posted: Thu May 07, 2009 4:33 pm 
Oompa Loompa
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Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

not to sure will check that now.
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 Post subject: Re: Cranking but no spark
Posted: Thu May 07, 2009 4:37 pm 
Oompa Loompa
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Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

the interior light is working just fine, so we can rule that one out then.


When you talk about the CRT fuse is that locatede in the fuse box?
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 Post subject: Re: Cranking but no spark
Posted: Thu May 07, 2009 4:40 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

yeah its the courtesy lamp fuse, infront of drivers right knee. sounds like its working though. have a look in the engine bay for loose connections
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 Post subject: Re: Cranking but no spark
Posted: Thu May 07, 2009 6:26 pm 
Oompa Loompa
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Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

where does that coil pak pick up it spark from as the dizzy seem to be electronic?
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 Post subject: Re: Cranking but no spark
Posted: Thu May 07, 2009 8:34 pm 
Smokin em up
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Ride: BF F6 Typhoon. XP Van.XF Hearse

Location: Newcastle
NSW, Australia

Sounds like a faulty crank angle sensor. Its the sensor thats triggered off the harmonic balancer.
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 Post subject: Re: Cranking but no spark
Posted: Thu May 07, 2009 11:40 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

i was talking to a commodore owner the other day think it was a vs, he was always breaking down with no spark. he poured a cup full of water over the sensor and it would run for another 15-20 mins. he was on his way to get another one.
asked a mechanic mate and he said it was a common fault in commodores.
wonder if this would make yours start??
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 Post subject: Re: Cranking but no spark
Posted: Fri May 08, 2009 8:25 am 
Oompa Loompa
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Posts: 29

Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

where is the crank angle sensor locate and i will try the water over it when i t find it. Can every one tell me how hard it is to change ?

cheers
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 Post subject: Re: Cranking but no spark
Posted: Mon May 11, 2009 6:32 pm 
Oompa Loompa
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Posts: 29

Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

Well
I have replaced the coil pak and Crank Angle Sensor and still bloody no spark, $250 spent to find out that they weren't the problem.

Does anyone know what else could be wrong ?????
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 Post subject: Re: Cranking but no spark
Posted: Mon May 11, 2009 9:39 pm 
Parts Gopher
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Joined: 13th Mar 2007

Location: Melbourne
VIC, Australia

Using the "shotgun approach" to diagnosing faults can be very expensive as you have found out. Get the car checked out professionally by someone with experience in this model and go straight to the source of the problem which from what you have described may be the ECU.
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 Post subject: Re: Cranking but no spark
Posted: Thu May 14, 2009 8:53 am 
Oompa Loompa
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Posts: 29

Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

Well it looks like the car is going to be checked ny an auto elec as i am not going to replaced anymore pparts until i have where the problems is !!

As far as a "shotgun approach" to diagnosing the problem isnt that what we all to and i thought that is was just a way of elimanting the possible problems.

Thanks for all your help , will let you know what the problem was
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 Post subject: Re: Cranking but no spark
Posted: Thu May 14, 2009 9:25 pm 
Parts Gopher
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Joined: 13th Mar 2007

Location: Melbourne
VIC, Australia

[quote="tasty37w"]
As far as a "shotgun approach" to diagnosing the problem isnt that what we all to and i thought that is was just a way of elimanting the possible problems.

You have 250 reasons why it is not a good idea. A quote from a book on Automotive electronics that I have goes something like this " One test is worth more than a thousand expert opinions".
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 Post subject: Re: Cranking but no spark
Posted: Fri May 22, 2009 8:54 am 
Oompa Loompa
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Posts: 29

Joined: 10th Oct 2007

Location: Toowoomba
QLD, Australia

Well everybody just what do let you know that the car is back on the road and running. :D

I ended up chasing up an auto elec and after 1 1/2 hours the problem was fixed. The most annoying thing was it was two $10 relays that were located underneath the header bottle that were rusted, didnt even know there were relay there.

Any how thanks for the help
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 Post subject: Re: Cranking but no spark
Posted: Sun May 24, 2009 8:27 am 
Getting Side Ways
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Age: 29

Posts: 454

Joined: 31st Mar 2005

Gallery: 8 images

Ride: 05 XR6 Mk II Falcon Ute

Location: thornton
NSW, Australia

check see if all ya fuses are in under the dash i had the same problem some how a fuse magically popped out and disappeared....

 

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