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  Soarer Central * Mechanical - V8 * Coils stuffed? * Archive through June 19, 2012 Previous Previous    Next Next  

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Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 34
Reg: 07-2011

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Sunday, June 17, 2012 - 02:55 pm, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Earlier today I put my foot down an next thing car started backfiring n then lossed some power. Hoped out my car n my cats were glowing red n on fire, my cats are definitely screwed coz I can here the rattling around in them
Wayne Womersley
TryHard
Victoria
Soarer V8

Posts: 269
Reg: 12-2011

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Sunday, June 17, 2012 - 03:13 pm, by:  Wayne Womersley (A49kidx) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Didn't the Red Warning Symbol of a Cat/Muffler light up on the dash. You then try to park it and see whats going on!
Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 35
Reg: 07-2011

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Sunday, June 17, 2012 - 03:26 pm, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah not sure about the warning light, but I limped it home, n it's definitely not running on all cylinders, checked by disconnecting the leads
Stephen Shackleton
TryHard
WA
UZZ32 #166

Posts: 110
Reg: 01-2008

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Sunday, June 17, 2012 - 03:40 pm, by:  Stephen Shackleton (Shack) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sounds like a coil its happened to me, also a coil lead can short out or a rotor button can destroy itself if they have never been replaced.
Wayne Womersley
TryHard
Victoria
Soarer V8

Posts: 270
Reg: 12-2011

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Sunday, June 17, 2012 - 03:55 pm, by:  Wayne Womersley (A49kidx) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Stephen Shackleton wrote on Sunday, June 17, 2012 - 03:40 pm:

also a coil lead can short out



I think you mean 'go Open'
Both have happened to me, (at different times) Coil and coil Lead. I recently replaced leads with new blue NGK set.
Stephen Shackleton
TryHard
WA
UZZ32 #166

Posts: 111
Reg: 01-2008

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Sunday, June 17, 2012 - 04:08 pm, by:  Stephen Shackleton (Shack) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

It actually arced out on the block, must have had a hole in the insulation (original leads), replaced by Top Gun leads 4 years ago.
Mike Beck
Goo Roo
New Zealand
BMW E36 Coupe 1UZFE V8 340i

Posts: 5552
Reg: 11-2005

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Sunday, June 17, 2012 - 06:29 pm, by:  Mike Beck (Gold_40gt) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah just check the leads and coils, with the resistance test method.

You can also tell what is wrong by unplugging the failed lead or coil
Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 36
Reg: 07-2011

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Sunday, June 17, 2012 - 06:30 pm, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ok just changed the coils and no difference, what else should I be looking out for??
Tom Richards
Goo Roo
nsw
V8

Posts: 1084
Reg: 08-2005

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Sunday, June 17, 2012 - 06:33 pm, by:  Tom Richards (Tomr) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

disconnect the low voltage plug to the coils one at a time and try starting the car The car will start with the faulty one disconnected and will not start with the good one disconnected.

Buy on ebay for about $70. (some early camrys have the same coil)
Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 37
Reg: 07-2011

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Sunday, June 17, 2012 - 07:46 pm, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

what prices would I be looking at for leads? Also would you havto cut them too size?
Wayne Womersley
TryHard
Victoria
Soarer V8

Posts: 272
Reg: 12-2011

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Sunday, June 17, 2012 - 08:03 pm, by:  Wayne Womersley (A49kidx) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Around $180 at Bursons for NGK, exact OEM replacement.
Stephen Shackleton
TryHard
WA
UZZ32 #166

Posts: 112
Reg: 01-2008

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Sunday, June 17, 2012 - 08:07 pm, by:  Stephen Shackleton (Shack) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Supercheap, Repco or your local autoparts shop will have them or order them in I used Top Gun still going strong after 4 years and they fitted ok a bit longer is better than too short :-)
Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 38
Reg: 07-2011

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Monday, June 18, 2012 - 01:57 pm, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've seen on other threads people saying it could be the igniters? Were abouts are they located ?
Tom Richards
Goo Roo
nsw
V8

Posts: 1086
Reg: 08-2005

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Monday, June 18, 2012 - 02:10 pm, by:  Tom Richards (Tomr) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

engine bay above the LHS strut

maybe you can disconnect them 1 at time and check the car starts and runs on 4 cylinders, as per checking the coils
Tom Richards
Goo Roo
nsw
V8

Posts: 1087
Reg: 08-2005

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Monday, June 18, 2012 - 02:14 pm, by:  Tom Richards (Tomr) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

have you measured/checked the lead from coil to disti?


If you have lost 4 cylinders, you are looking at faulty

coil
lead from coil to disti
disti/rotor button
igniter
ecu
Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 39
Reg: 07-2011

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Monday, June 18, 2012 - 05:03 pm, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Disconnected the top started for a sec then connected the top back up n tried the bottom n it just cranked over
?
Ali Saeed
Goo Roo
WA
RSP GT-T

Posts: 3987
Reg: 09-2007

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Monday, June 18, 2012 - 06:27 pm, by:  Ali Saeed (Ali) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

sorry to hear about your little incident Wes. Lucky nothing caught on fire!
Tom Richards
Goo Roo
nsw
V8

Posts: 1088
Reg: 08-2005

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Monday, June 18, 2012 - 09:16 pm, by:  Tom Richards (Tomr) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

are you saying it runs on the bottom igniter but not the top igniter,

if that is the case, the same thing should happen with the coils, as only one 'bank" is working
order is
(igniter,coil,coil lead,rotor, disti,plugs)

how have you checked the coils?
Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 40
Reg: 07-2011

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Monday, June 18, 2012 - 09:24 pm, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've put brand new coils in :S
Stephen Shackleton
TryHard
WA
UZZ32 #166

Posts: 113
Reg: 01-2008

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Monday, June 18, 2012 - 09:54 pm, by:  Stephen Shackleton (Shack) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

The coils run 4 cylinders each 2 on the left bank and 2 on the right, that's why it will still start and get you home, but cook your cat's on the way. Check your leads, dizzy caps and rotors?
Tom Richards
Goo Roo
nsw
V8

Posts: 1090
Reg: 08-2005

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Monday, June 18, 2012 - 09:56 pm, by:  Tom Richards (Tomr) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

you can swap the ignitors to confirm a fault
Wayne Womersley
TryHard
Victoria
Soarer V8

Posts: 279
Reg: 12-2011

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Monday, June 18, 2012 - 10:08 pm, by:  Wayne Womersley (A49kidx) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

As a dum arse observer, are you saying you can swap the top and bottom plugs on the igniter and the timing is still OK.
Tom Richards
Goo Roo
nsw
V8

Posts: 1091
Reg: 08-2005

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Monday, June 18, 2012 - 11:32 pm, by:  Tom Richards (Tomr) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

why not? in and out is on the same plug. swapping the connections from top to bottom is just swapping igniters
Wesley Fayers
Tinkerer
WA
UZZ31 Soarer v8

Posts: 41
Reg: 07-2011

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Tuesday, June 19, 2012 - 06:37 am, by:  Wesley Fayers (Wes_fayers) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Should the car start up on both igniters when you disconnect them?
Tom Richards
Goo Roo
nsw
V8

Posts: 1092
Reg: 08-2005

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Tuesday, June 19, 2012 - 07:58 am, by:  Tom Richards (Tomr) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

wes, you have to work thru it in a logical order.

If the car is running on 4 cylinders(you have not actually confirmed this)
you have to do a split and work towards the causes outlined in an earlier post.

1) disconnect each coil one at a time and start the car each time. If it runs with 1 disconnected , but not with the other disconnected you have isolated the fault to a bank( the side disconnnected when the car runs.
2) As have stated the coils are new,
3) measure /check the lead from the coil to the disti. should be a couple of k ohms
4) disconnect lead from coil to dist, at the disti and check for spark on the faulty bank.
5)if you have spark, check rotor and disti for cracks etc.
5) if no spark swap the igniters and repeat 4). If the result is the same , the fault is not the igniters.
6) replace ecu

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