alexroberts_12
Member
Registered: 7th Mar 10
User status: Offline
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hey people, not on here much, guessing none of you know me lol, but a quick question...
got a 20XE corsa, 12v S reg shell, ran it round as i bought it already converted, my luck, cambelt went as previous owner fitted it with the later style W/P, and mine bieng the early (rounded teeth cambelt) engine, it pulled the teeth off the belt and mullered it, never good.
so i just went all out and got 16 new valves fitted, the head sleeved while it was off, new coolant pipe etc.. along with a full gasket set, and obviously water pump and cambelt kit.
the problem i now have after building it all back up is it starts when it should off the key, but runs for no more than 1 - 2 seconds before it cuts out, impossible to get it to run for longer unless i squirt brake cleaner down the inlet, all the plugs are plugged in, fuel pumps working, put fresh fuel in the tank, checked everything, its like the injectors open to start it then just stop working? its strange, im suspect to fuel pump relay if that has anything to do with opening injectors? or AFM which im to try tomorrow in work or ECU? any help will be greatly appreciated, thanks alot guys and girls!
alex 
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DAZ1985
Member
Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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Are you getting fuel to the rail?
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alexroberts_12
Member
Registered: 7th Mar 10
User status: Offline
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yeahh getting fuel pressure, just tried an AFM and its the same, dont suppose if you know the fuel pump relay controls the injectors too? want to try that but not too sure... thanks alot anyway daz, appreciate the replys
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DAZ1985
Member
Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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The fuel pump relay controls a few things iirc, could be part of the problem. Have you got an eml light on when the ignition is turned on? Have you put the ignition live off the engine loom to the black wire in the car? Could be that your ecu isnt powering up?
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alexroberts_12
Member
Registered: 7th Mar 10
User status: Offline
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bought the car with the engine already in so not too familiar with the wiring :/ i think it is powering up as it runs for a second or two? but which wire is it on the ECU i need to send a live down? ill try it anyway incase its been knocked off. and no, no engine management light wired in unfortunately, and i dont suppose you know which wires i could send a live/earth down on the fuel pump relay to try to get the injectors to stay open maybe? would i be getting this from a crank sensor issue? sorry for all the questions! thanks again
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alexroberts_12
Member
Registered: 7th Mar 10
User status: Offline
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Problem solved! the problem was the octane switch, the two wires that go to it, i discovered one was broken, so if anyone ever has these symptoms to this problem, check that little brown plug on the strut top or bulkhead with 95/98 written on it if its wires are broken just trying to post a lil piece of help for everyone
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