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EL keeps dying at random 

 

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 Post subject: EL keeps dying at random
Posted: Sun Aug 17, 2008 6:56 pm 
Getting Side Ways
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VIC, Australia

About a week or two ago the car f@rt and died. Started again the next day.

Died shortly after.

Found no spark or injection, the culprit sounded like the ignitor unit. Replaced the whole dizzy and ignitor, all is good.

For 30 minutes. The tacho flickers a bit as the motor is f@rt to its death. Crank and it wont start. Wait 30 mins and it will start.

Replace the coil, same deal.

Replace the ECU, same deal.

No water is leaking onto the dizzy from the thermostat housing or head so its not that. No water is getting into the ECU so its not corroded connections. All engine to body harness connections are in good order.

What the f**k else could it be?
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Posted: Sun Aug 17, 2008 7:27 pm 
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Have you checked the ECU relay under the coolant reservoir?? I take it that you also replaced the tfi module on the outside of the dizzy and the hall pickup sensor.

 

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97 EL Fairmont 4l OHC .Silver.
Exhaust: Pacemaker's, 2.5" exhaust and Hiflow cat
Intake: FRAM AIRHOG , EL GT snorkel
XR6 300kpa fuel reg Stg 2 Auto Shift Kit.6DJA ECU
PM in Qld looking too buy Toyota 4*4 SR5 Dualcab Hilux 91-97 with 2.8l diesel engine/5spd manual

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Posted: Sun Aug 17, 2008 7:49 pm 
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Auxillary Shaft?

my tacho flicked around like a b**ch before it went.

 

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Posted: Sun Aug 17, 2008 10:29 pm 
Getting Side Ways
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Ride: R32 GTR

Location: Brackistan
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alfy wrote:
Auxillary Shaft?

my tacho flicked around like a b**ch before it went.


Thats a good thought - will check oil pressure light goes off while cranking next time it s**t itself

EL__Fairmont wrote:
Have you checked the ECU relay under the coolant reservoir?? I take it that you also replaced the tfi module on the outside of the dizzy and the hall pickup sensor.

I haven't explictly checked it. Does it do more beyond supplying the required 12v to the ECU which is there?

And yup, when I meant i replaced the ignitor, that is the TFI unit, and the hall pickup sensor is part of the dizzy.

Cheers
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Posted: Sun Aug 17, 2008 10:43 pm 
Getting Side Ways
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Location: Central Highlands
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Bozz wrote:
alfy wrote:
Auxillary Shaft?

my tacho flicked around like a b**ch before it went.


Thats a good thought - will check oil pressure light goes off while cranking next time it s**t itself

EL__Fairmont wrote:
Have you checked the ECU relay under the coolant reservoir?? I take it that you also replaced the tfi module on the outside of the dizzy and the hall pickup sensor.

I haven't explictly checked it. Does it do more beyond supplying the required 12v to the ECU which is there?

And yup, when I meant i replaced the ignitor, that is the TFI unit, and the hall pickup sensor is part of the dizzy.

Cheers


The ECU relay provides 12v to the injectors and feeds 12v to fuel pump relay coil for switching 12v to the fuel pump.

 

_________________

97 EL Fairmont 4l OHC .Silver.
Exhaust: Pacemaker's, 2.5" exhaust and Hiflow cat
Intake: FRAM AIRHOG , EL GT snorkel
XR6 300kpa fuel reg Stg 2 Auto Shift Kit.6DJA ECU
PM in Qld looking too buy Toyota 4*4 SR5 Dualcab Hilux 91-97 with 2.8l diesel engine/5spd manual

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Posted: Mon Aug 18, 2008 7:48 am 
Getting Side Ways
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Joined: 6th Nov 2004

Ride: R32 GTR

Location: Brackistan
VIC, Australia

EL__Fairmont wrote:
The ECU relay provides 12v to the injectors and feeds 12v to fuel pump relay coil for switching 12v to the fuel pump.


Got ya - so if I've got 12v on the supply lines at the ECU when the fault is present then it wont be the relay.

Any other thoughts? I'll be mucking around with it today to try fix it

Cheers
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