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Ou-yang Liang Qing
TryHard
Melbourne
V8

Posts: 111
Reg: 04-2010

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Monday, May 30, 2011 - 12:54 pm, by:  Ou-yang Liang Qing (Raphael_86) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Tried to start my car today, but it dies off after a few seconds. Managed to start it properly and drive to a safer location 15 km away, turned off the engine, tried starting it again and it dies off within seconds.

No smoke whatsoever, but an error did appear for about 1 - 2 seconds, didn't managed to take a picture of an error but it seems to be a 5-7 characters Japanese word, comparing it to the error message table, it seems to be either:
-engine overheating
-engine electrical system.

It was running perfectly fine yesterday. Anyone knows where should i go from here? Suggestions will be appreciated

Cheers!
James Buchan
Goo Roo
Vic
V8

Posts: 1133
Reg: 10-2008

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Monday, May 30, 2011 - 02:47 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)

Could be fuel pump ecu. Search fuel pump ecu on here, the symptoms you say are exactly what mine did when my fuel pump ecu was faulty.

It would start but die after a few seconds, and it would catch on the fourth or even the fifth time. Sometimes more, sometimes less.

To rule out if it is the fuel pump ecu, open the bonnet, and in the diagnostics port bridge FP & B with a paper clip. You'll find the diagnostics port is a rectangular black piece of plastic and underneath the clip you should find markings telling you which ports are the FP & B. If the engine starts straight away and dosn't stall this could be your answer.
James Buchan
Goo Roo
Vic
V8

Posts: 1134
Reg: 10-2008

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Monday, May 30, 2011 - 02:47 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)

Oh and by the way, the Fuel Pump ECU is dead easy to replace.
Matchy Loi
TryHard
VIC
GTT

Posts: 500
Reg: 06-2006

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Monday, May 30, 2011 - 02:47 pm, by:  Matchy Loi (Ftk148) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Get the car into diagnostic mode. (check the comprehensive thread on this forum on how to do this) and it will retrieve the code for you and hopefully provide more specific information on where the exact issue is.
Tom Richards
DieHard
nsw
V8

Posts: 673
Reg: 08-2005

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Monday, May 30, 2011 - 04:00 pm, by:  Tom Richards (Tomr) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

do what james has said, short FP to B+ at the diag port
Ou-yang Liang Qing
TryHard
Melbourne
V8

Posts: 112
Reg: 04-2010

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Monday, May 30, 2011 - 04:26 pm, by:  Ou-yang Liang Qing (Raphael_86) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Allowed the car to cool down for 3 hours, went back, added more H20 into the radiator and the car started! Turned it off again, turned it on again, and everything's fine!

If anything pops up again, i'll do the FP to B+ at the diag. port, hopefully its fine.
Joshua Baldwin
Goo Roo
victoria
1990 ucf11 c+f celsior. 1991 uzz31 toyota soarer

Posts: 1075
Reg: 10-2009

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Monday, May 30, 2011 - 04:26 pm, by:  Joshua Baldwin (Celsior101) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i have a fuel pump ecu here if needed
Ou-yang Liang Qing
TryHard
Melbourne
V8

Posts: 113
Reg: 04-2010

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Monday, May 30, 2011 - 04:34 pm, by:  Ou-yang Liang Qing (Raphael_86) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey Joshua: Thanks mate, if i really do need it i'll ring you up! Having exams now, lets have a mini cruise in July.

By the way, does anyone know does prolonged bridging of the 2 ports (i.e. FP to B+) will result in any issues? Or is it just a temporary solution till the fuel pump is replaced?

What does the bridging actually do? Any power loss or issues?
James Buchan
Goo Roo
Vic
V8

Posts: 1135
Reg: 10-2008

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Monday, May 30, 2011 - 05:30 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)

It is not a safe practise to do because it keeps the fuel pump running at a constant 12v, I believe so if you are in a crash the fuel pump will keep pumping fuel.
Not really the safest thing, or best for the fuel pump. No power loss will be noticed.
Ou-yang Liang Qing
TryHard
Melbourne
V8

Posts: 114
Reg: 04-2010

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Monday, May 30, 2011 - 06:13 pm, by:  Ou-yang Liang Qing (Raphael_86) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Alright, cheers mate, just enquiring as i don't really have the time to do a fuel pump swap if its really required, so if it comes to that, i will probably keep it that way for 2 weeks till i can get it swapped.
Rowan McMahon
DieHard
WA
GTT-L

Posts: 613
Reg: 07-2010

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Tuesday, May 31, 2011 - 12:54 am, by:  Rowan McMahon (Mr_eps) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

***this same thing happened to me...


it was the capacitors in my main ECU... just sayin.


and i bought a brand new fuel pump ECU to learn a lesson for that one. haha
Austen Menze
Goo Roo
WA
GT-TL

Posts: 1579
Reg: 07-2009

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Tuesday, June 14, 2011 - 01:51 am, by:  Austen Menze (Mercyfulfate) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Could be the MAP sensor.
Ou-yang Liang Qing
TryHard
Melbourne
V8

Posts: 119
Reg: 04-2010

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Tuesday, June 14, 2011 - 05:00 pm, by:  Ou-yang Liang Qing (Raphael_86) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Swapped fuel pump ECU thanks to help from Joshua and its running fine now.

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