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Luke Claridge
Tinkerer
Northern Territory
V8

Posts: 11
Reg: 01-2010

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 Wednesday, July 14, 2010 - 06:33 pm, by:  Luke Claridge (Drf72) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Hi all I have a 93 V8 imported soarer Everything is stock.

I have this problem, when the car is running it is down on power and cooking the catalic convertors, I have checked and all my ignition componets, the AFM and fuel pressure are all within spec.

I was wondering if it could have something to do with the cold start function in the ECU???

I live in the NT and there are no mechanics that have a clue about soarers.

I was wondering if anyone else has had this problem as well

Any help will be greatly appricated
Luke Gomer
Goo Roo
Dorset
Uzz31 LTD

Posts: 386
Reg: 07-2005

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 Wednesday, July 14, 2010 - 07:44 pm, by:  Luke Gomer (Luke) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Ahhh, the imported Soarer ;)

Have you checked the ignitors (2) AND most importantly the 2 coil packs - coil packs will fail over time .
James Buchan
DieHard
Vic
V8

Posts: 546
Reg: 10-2008

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 Wednesday, July 14, 2010 - 07:52 pm, by:  James Buchan (Jrbuch) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
I'd be checking my coil packs as luke has said. That sounds to me like the culprit
Luke Claridge
Tinkerer
Northern Territory
V8

Posts: 12
Reg: 01-2010

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 Wednesday, July 14, 2010 - 08:09 pm, by:  Luke Claridge (Drf72) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Hey guy's as I have stated I have checked all ignition componets including the ignitors and leads. I have replaced both ignitors and the leads.
Tai Johnsen
DieHard
QLD
JZZ30 Pov Manual LSD & black!

Posts: 812
Reg: 04-2006

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 Wednesday, July 14, 2010 - 08:35 pm, by:  Tai Johnsen (Privatejohnsen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
o2 sensors?
Daniel Blackham
TryHard
Victoria
31V8

Posts: 187
Reg: 10-2009

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 Wednesday, July 14, 2010 - 09:49 pm, by:  Daniel Blackham (Daniel24) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
You could check all your earthing points, theres a few in the engine bay, easy to check.
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 11681
Reg: 11-2004

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 Wednesday, July 14, 2010 - 10:53 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
How did you check the coil packs?

It could also be ECU failing leaving a couple of injectors switched on.
Luke Gomer
Goo Roo
Dorset
Uzz31 LTD

Posts: 387
Reg: 07-2005

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 Thursday, July 15, 2010 - 06:30 am, by:  Luke Gomer (Luke) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
' I have checked and all my ignition componets'

Luke , as you are a newbie I disregarded your above statement as I doubted you have checked the coil packs. The only sure way to identify a faulty coil is to fit a known working one .
Luke Claridge
Tinkerer
Northern Territory
V8

Posts: 13
Reg: 01-2010

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 Thursday, July 15, 2010 - 06:48 am, by:  Luke Claridge (Drf72) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
"Luke , as you are a newbie I disregarded your above statement as I doubted you have checked the coil packs. The only sure way to identify a faulty coil is to fit a known working one ."

I first check the resistance on the primary and secondary coil windings. It was with in spec, but I have bough new coil's and replaced them and I still have the same problem.

The O2 sensors are isosilating correctly and earth points have been cleaned.

I'm about to contact a mate who has a spare ECU and see if I can try that.

Does anyone know how the cold start function is switched or activiated????

Keep the questions coming it's all helping.

Thanks again
Luke Claridge
Tinkerer
Northern Territory
V8

Posts: 14
Reg: 01-2010

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 Friday, July 23, 2010 - 12:54 am, by:  Luke Claridge (Drf72) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
All sorted it turned out to be a faulty king lead from the coil to the drivers side distributor.

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