solve this problem
14 December 2002, 10:43 AM
#1
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93 legacy turbo.i have had this problem over the last 6 weeks.what happens is car wont start there is no engine check light on.The car turns over but wont fire.So ive tried to see if any faults come up but none do.Left the car over night joined the test connecters together again in the morning still no faults appear but car starts with no problems.This has happened 3 times its ok for 2 weeks but same pattern occurs again.By the way the car didnt start until i connected the black connecters.ANY IDEAS WOULD BE GREAT AS ITS STARTING TO DO MY HEAD IN THANKS IN ADVANCE.
14 December 2002, 11:11 AM
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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Crank Position Sensor or Cam position sensor..
Check both these and the wiring... I would expect a CEL from them though...
Also check for a spark next time it happens...
any immobiliser fitted...
Also check the multiplug under the screen wash bottle under the bonnet..
David
Check both these and the wiring... I would expect a CEL from them though...
Also check for a spark next time it happens...
any immobiliser fitted...
Also check the multiplug under the screen wash bottle under the bonnet..
David
14 December 2002, 11:19 AM
#3
I had a similar problem..... when i changed the roms on my David/Paul scoobyecu chip after receiving a new map. Put the bloody things in the wrong way round and when the ignition was turned on the CEL didn't come on. Tried to start it and it just turned over. You may not have a chip but maybe it's a fault in the actual ecu.... dry joint maybe?
Tony.
Tony.
14 December 2002, 11:33 AM
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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I didnt put them in the wrong way...
just cut the wrong link...
Duh.. Thats what hangovers do to you.
David
just cut the wrong link...
Duh.. Thats what hangovers do to you.
David
14 December 2002, 01:43 PM
#5
no engine check light when you turn on the ignition points to an ECU or loom problem.
CHeck the multi plugs behing the battery.
Check the plugs in the ecu
After that I don't know.
ECU on legacy is above your right knee when sitting in the drivers seat, you need to remove the panel under the steering column and get under the dash with a 10mm socket and extension, ecu is bolted up with 2 M6 nuts.
Could be power to the ecu that is the fundamental problem.
Paul
CHeck the multi plugs behing the battery.
Check the plugs in the ecu
After that I don't know.
ECU on legacy is above your right knee when sitting in the drivers seat, you need to remove the panel under the steering column and get under the dash with a 10mm socket and extension, ecu is bolted up with 2 M6 nuts.
Could be power to the ecu that is the fundamental problem.
Paul
14 December 2002, 05:03 PM
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Thanks for the replies. I will have a good look on monday to try and find the cause. The car has got a immobiliser on it and the wiring for it is in the same area as the reset plugs so one train of thought was i moved perhaps a faulty connection.I also noticed on the last two occasions earlier in the day when starting the car it would start but straight away but stop.Although it did start next turn of the key
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15 December 2002, 03:05 AM
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Hey Leggy,
Does it seem not to start when its warmed up?
i.e. if its left for a bit, does it start ok?
I had this problem with my old 94 WRX. Took it into my local garage, and got them to remove the water temp sensor and clean it up. This solved the problem for me, and only cost £40!
HTH
Mark...
Does it seem not to start when its warmed up?
i.e. if its left for a bit, does it start ok?
I had this problem with my old 94 WRX. Took it into my local garage, and got them to remove the water temp sensor and clean it up. This solved the problem for me, and only cost £40!
HTH
Mark...
15 December 2002, 05:02 PM
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No its not quite the same.I have tried to start it the following day with no success. But it was not until i connected the two black memory plugs that the car started.But when doing this straight after the car first wont start it does not work.?
17 December 2002, 12:55 PM
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David or anyone who can help . The car has done it again. Running fine last two days now wont start.Some progress though there is a spark and the plug is also dry so some sort of fueling problem.checked multi plugs sensors etc seem fine Had a simular fault on a vauxhall fuel relay was the problem. ANY IDEAS NOW ON THE PROBLEM WOULD BE GREAT .BACK TONIGHT GOT TO GET A TAXI TO WORK CHEERS LEGGY
17 December 2002, 02:10 PM
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next time check to see if you are getting 12v across the fuel pump... I would check relays etc and make sure its not the immobiliser either.
David
David
18 December 2002, 04:20 PM
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Think ive got it .Fuel pump connecting block under rear seat has a scorch mark on one of the contacts . CLEANED IT UP CAR STARTED JUST WONDERING WHY THE OVER HEATING HOPE IT WAS JUST A BAD CONNECTION ANY OVER IDEAS WELCOME
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