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Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 81
Reg: 01-2010

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Thursday, March 17, 2011 - 10:11 pm, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey All.

Just did my starter motor (and fixed the fuel problem)
Saw one of the knock sensors was looking a bit worn.. The engine starts but only for about 2 seconds.

Checked the same knock sensor and it has snapped out.

This i guess would contribute to the firing and then shutting down.

Just want to confirm that it wont run without the sensor.. like limp mode?

I will have to fins a new sensor (tomorrow, good luck to me) but want to ensure that this is the cause of it not running at all

thanks
Jamie Richards
TryHard
St.john's
v8

Posts: 151
Reg: 06-2009

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Thursday, March 17, 2011 - 10:39 pm, by:  Jamie Richards (Nwb40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah that would cause the car to shut down, u don't want to be driving it like that
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 82
Reg: 01-2010

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Friday, March 18, 2011 - 07:35 am, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks Jamie, just wanted to confirm.. cant drive it as it wont idel anyway.

Cheers
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 6170
Reg: 03-2006

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Saturday, March 19, 2011 - 07:46 am, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

IM guessing this is a 1JZ not a V8 ? Car should still start without a knock sensor . Just wont run its best .

If car starts and then fails , could be fuel pump ecu issues ?
Jason Hall
TryHard
Victoria
SC400 Ltd V8

Posts: 112
Reg: 02-2010

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Saturday, March 19, 2011 - 10:38 pm, by:  Jason Hall (Halljps) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

fwiw, Daniel is right, the car will still start and run ok without a knock sensor until you hit about 20km/h, then it will warn and go into limp mode...
I would be looking else where for your fix, notwithstanding you should fix the knock sensors if they are known to be faulty...
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 86
Reg: 01-2010

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Thursday, March 24, 2011 - 01:33 pm, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Guys,

Thanks for the help, did the knock sensor and as you have advised same issue.

I'm Starting to believe Fuel pump ECU issues.. they fuel pump is unusually loud when key is ON but not cranking.

How do i go about fixing this problem? could it have come due to the cross polaritising battery issue i had? (yes i dont know how to spell Polaritising)
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 87
Reg: 01-2010

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Thursday, March 24, 2011 - 02:13 pm, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

All good guys, have found out how. (searched the Forums) will bypass the system tonight and see how she goes.
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 88
Reg: 01-2010

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Friday, March 25, 2011 - 05:45 pm, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey Guys, does anyone hav a pic of the under bonnet Diagnostic plug.. mine has no casing so i dont know which wires to short.. or can someone tell me which ones i should short?

Cheers
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 89
Reg: 01-2010

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Sunday, March 27, 2011 - 09:40 am, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

can anyone help me out?
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 90
Reg: 01-2010

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Sunday, March 27, 2011 - 10:30 am, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have finally been able to upload a picture, my pug looks like this but has no markings.
Upload


As you can see i tried two of the ports as i found a diagram from an Arabic websir=te, the plug was slightly different so i gave it a shot anyway with no luck.

Can someone confirm that this was the right two ports to bridge?

if so and it didnt work.. where too from here?

P.S that weird stuff in the plug is like gap filler... i dont know why, this car has some strangeness about it.
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 12071
Reg: 11-2004

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Sunday, March 27, 2011 - 11:15 am, 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)

That junk in the plug is normal.

Picture of the V8 plug here, looks to have extra connections, but the labels should be the same.
http://soarercentral.com/cgi-bin/sc-forum/show.cgi?tpc=67&post=11705#POST11705
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 91
Reg: 01-2010

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Sunday, March 27, 2011 - 11:30 am, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks Peter... Bugger this means its not the fuel pump ecu....

However the fuel pump is still extra loud on "ON" (with the key)

Any ideas where i should go from here.

Just starts for a second then stops and wont start again for a few minutes..

Just sis the faulty knock sensor, however it should run on Limp if this was the problem.

Anyone have any ideas what else i should check.. could there be a relay playing up re the fuel pump?
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 12072
Reg: 11-2004

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Sunday, March 27, 2011 - 06:28 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)

With the jumper in, the pump is still louder when you first turn it on? It should be loud all the time if the jumper is connecting properly.
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 92
Reg: 01-2010

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Sunday, March 27, 2011 - 10:25 pm, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thasnk Peter,

The fuel pump is louder than normal with or without the jumper connected.

As if it is running full steam at all times.. jumper or not.

Still wont run though
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 93
Reg: 01-2010

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Monday, March 28, 2011 - 09:26 pm, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey all, just tried the jump again, along with checking all engine and in car fuses.. starting too get emotional....

I have uploaded two videos.. one shows what happens when try start it (yes it is upside down)
The other is the noise of the fuel pump.. ridiculously loud.. thats without the jumper connected...here is photobucket link
http://s1181.photobucket.com/albums/x438/1jzt04/

Does anyone think that maybe when i cross polaritised the battery i may have fried the Main ECU?

Anyone on the lower gold coast who would be keen to come and diagnose the problem over the weekend and over a few beers?
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 94
Reg: 01-2010

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Tuesday, March 29, 2011 - 09:32 pm, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

anyone have any ideas or keen for a look see?
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 95
Reg: 01-2010

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Thursday, March 31, 2011 - 11:27 am, by:  Rhys Salmon (1jzt04) 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 mate coming over Friday night with Diagnistocs to test the car and see what errors come up.

I Still think its the fuel pump. or maybe some sensor somewhere.

Are the fault #s universal with all toyota 1UZFE.. i am using the Celsior Engine and ECU, i know the ECU plugs are different from the Soarers.

Cheers
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 98
Reg: 01-2010

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Tuesday, April 05, 2011 - 10:00 am, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey all, i have some new intel. I have tested the AFM (the car should run without it connected, rought but should run) it has no affect on the vehicle issue

Also i tested the voltage to the fuel pump.. ran 10.5 with just the key at the "on" position, dropped during crank as it should and then when it id start went over 11 volt..

So we can safely say there is no issue with AIR or FUEl.. also as it does start and i have checked spark we can cancel that out too.....

im thinking ECU is fired, it must let the car start then cut out the ignition or the fuel. Have also tested the Fuel pump by bypassing and this has no affect, so the Pump ECU seems ok ..... Any comments on the decision it may be main ECU, does this sound like it may be the issue?

Also anyone willing to come to tweed (Gold Coast) for some cash and hombrew beer to see if their ECU will run, this is a Celsior Engine though not a Soarer..

Would prefer to test with a good one to make sure this is an issue if anyone would be so kind

cheers
Ross Bull
Tinkerer
Vic
V8

Posts: 29
Reg: 05-2009

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Tuesday, April 05, 2011 - 09:45 pm, by:  Ross Bull (Roscoe) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have been reading through your thread, sounds like you have had a bit of a headache the last couple of weeks.

Did the car run ok before the starter motor was replaced and what was the fuel problem that was fixed when this was done?

To replace the starter motor the inlet manifold would have had to have been removed, I would be checking that all electrical connectors and fittings have been refitted paying close attention to the cold start valve connector at the back of the manifold.

Also I would be checking for fault codes, look at this link for info (Assuming this car is a Celsior)
http://www.lexls.com/tutorials/intro/codereading.html .

Best of luck in getting it sorted
Rhys Salmon
Tinkerer
NSW
Single T04

Posts: 99
Reg: 01-2010

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Wednesday, April 06, 2011 - 05:48 am, by:  Rhys Salmon (1jzt04) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Ross, yes it was a manifold off job, all connectors were put back in their rightful places though..main harness (diagnostics) and another smaller connector at the back of the manifold.
the fuel problem was finding the right size copper washers for the fuel line into the centre of the manifold.
was running fine prior to all this, but the battery was crossed at one stage during this saga.

The issue i have is the Diagnostics is for the original engine, no idea where they have put the 1u diagnostics.. suppose i better start to un-tape all the harnesses to find it....
Also the dash is cressida and not wired correctly (engine light always on) so dont think it will work unfortunately

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