Vauxhall Corsa B (1993 - 2000) - 95 1.2 Engine wont start after engine swap

Honest John Back Room » Technical matters
What is life like with your car? Let us know and win £500 in John Lewis vouchers | No thanks
View Threaded
Sat 27 Jun 2009 16:30
95 1.2 Engine wont start after engine swap - mex
hi all
i am in need of desperate help, i have two corsas one 94 year one 95 year
i have put the 94 engine in the 95 one as the engine was blown in it
now the engine wont start, the 95 one has an immobiliser so i have disconnected it and are using the ecu from the 94 one still wont start,
i have 12v coming to the king lead on ignition but when i crank the engine the volts drop
there is no spark at the plugs but the fuel is getting through
i have taken the crank sensor plug off and there is 12v coming out
i tried the wire in the centre of the plug to earth as explained in an archive of this forum and the king lead sparks
i have tried towing the car off but nothing
any ideas would be appreciated,
cant afford to take it to garage as on the old dole and parents need it off their drive
thanks in advance

Edited by Dynamic Dave on 27/06/2009 at 20:41

Reply | Report as offensive | Link
Sat 27 Jun 2009 16:59
95 1200 Engine wont start after engine swap - bell boy
put the original ecu back on (battery disconnected to do this)
double check all connections are on the engine
check to confirm the eml light on the speedo head doesnt flash as you turn the key to position 2 prior to cranking
crank and it should start

swap the crank senser over from the blown engine too as you knew this worked prior to blowing it up
Reply | Report as offensive | Link
Sat 27 Jun 2009 18:25
95 1200 Engine wont start after engine swap - mex
Hi thanks for the reply,
prior to removing the engine the crank sensor was working fine before the engine blew.
i've tried the different ecu and the eml flashes constantly i got the diagnostic tester and flashed no fault codes, the engine still didnt start.
Thanks
Reply | Report as offensive | Link
Sat 27 Jun 2009 20:42
95 1200 Engine wont start after engine swap - Dynamic Dave
i've tried the different ecu and the eml flashes constantly


Which is indicating an immobiliser related fault then.
Reply | Report as offensive | Link
Sat 27 Jun 2009 20:53
95 1200 Engine wont start after engine swap - bell boy
correct DD
I see from previous postings they were immobilisor issues too
im out..........
Reply | Report as offensive | Link
Sat 27 Jun 2009 21:09
95 1200 Engine wont start after engine swap - mex
Hi,
Yes for that ecu, i have bypassed the ecu in this way.

I'm using the ecu wiring loom and ignition barrel from the corsa i took the engine out off.
Shouldnt this bypass? as the corsa which blew the engine didnt have an immobilizer.

when im using the ecu and wiring loom from the other corsa the eml doesn't flash on and off it just sits normal.
Whats the best thing to do ?
Thanks
Reply | Report as offensive | Link

Looking for a garage you can trust? Honest John's Good Garage Guide has thousands of reader recommended garages, plus how-to guides and tips on servicing.

The Good Garage Guide

From which small car to buy at which price point to the best UK-built cars, our Top 10s have the lot. Click now for your shortlist.

Unsure of what to buy? Our Top 10s are here to help you....