Birty Dastards Jeep Club
Tech Forum => Workshop => Topic started by: loz on February 28, 2010, 07:16:21 PM
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Hi all. I think i have a ecu fault. I have no ignition lights or fuel pump, only abs light. guages work but it wont start.
What happened was i was fitting a terratrip to the speedo sensor on the box. I disconnected the wire plug and checked the wires with a power probe and by mistake powered up no 3 pin which turned on the fuel pump. Then after that i had no ign. I checked all the fuses and relays and swaped relays from a load of spares ones i had from one i broke up. All fine. Theres power at the 60 amp in the engine bay.
I then powered the same wire up again and the fuel pump ran and stayed running. It will now only turn off with the ing key. But still nothing else.
I wondered if by powering it up it has back fed to the ecu and shorted something out causing this problem. Its a 96 4.0 auto mk1 with the 3 plug ecu.
Thing is im pretty F***** now as im booked on the mac4x4 next week.
Hope you can help.
Loz
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Don't know whats wrong with it but i have got a spare mk1 ecu you can try if thats any help. I'm in walsall.
Dave.
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Thanks Dave. i have got a couple of ecu coming tomorrow that i am going to try. Fingers crossed.
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high loz i wonder if you had any luck with changing the ecu. as you said you have a few comeing, i thought they have to be reprogrammed, i have a 1997 facelift cherokee and i think my ecu might be knackered.can you let me know if they work,if so i might go and get one.
cheers john..
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high loz i wonder if you had any luck with changing the ecu. as you said you have a few comeing, i thought they have to be reprogrammed, i have a 1997 facelift cherokee and i think my ecu might be knackered.can you let me know if they work,if so i might go and get one.
cheers john..
I doubt you'll get a reply before Monday now, assuming he has got the thing running as he'll be on the Mac until late Sunday afternoon.