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 Post subject: Re: Vauxhall X25XE
PostPosted: Wed Jun 13, 2018 12:46 am 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 18
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
well that was depressing! swoped the wiring over to coil order i.e coil1 -cyl 1 and it now doesnt try to fire any cylinders?
back to the drawing board!


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 Post subject: Re: Vauxhall X25XE
PostPosted: Wed Jun 13, 2018 1:47 am 
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Joined: Thu Jul 28, 2011 4:10 am
Posts: 812
ECU Model: S100 Pro
Try doing as previously suggested by actually finding the firing order by testing?


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 Post subject: Re: Vauxhall X25XE
PostPosted: Wed Jun 13, 2018 2:15 am 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 18
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
fire order is 123456 1 o/s/f 2 n/s/f 3 o/s centre 4 n/s/centre 5 o/s rear 6 n/s rear


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 Post subject: Re: Vauxhall X25XE
PostPosted: Wed Jun 13, 2018 3:26 am 
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Joined: Fri Feb 28, 2014 1:03 pm
Posts: 1029
ECU Model: S40 Pro
Distributor: DTA
Firmware Version: 79
Take a step back.

First, do a crank scope. Check the cam sensor is still working.
Second, crank it over, and check it's still synchronising:
https://www.youtube.com/watch?v=Epogi4YKMZ4

If it is, it can only be incorrect timing, or not enough/too much fuel.
Take all the plugs out except cylinder 1, then take a crank scope and send it to me so I can check the crank and cam sensor angles.


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 Post subject: Re: Vauxhall X25XE
PostPosted: Thu Jun 14, 2018 12:50 am 
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Joined: Sun May 27, 2018 3:28 pm
Posts: 18
Location: Berkshire
ECU Model: S80 Pro
Distributor: DTA Direct
Firmware Version: 73.01
i will do a check later 1) i have re done the scope and it is still the same 2) will pop the plugs out and stick a pressure gauge on see the order the cylinders make compression 3) could it be the cylinder phasing in a strange place ? i.e the sensor picks up a pre determined point that is stored it knows then in so many crank pulses it is cylinder ??? as that reference could be anywhere ?
Alex DTA wrote:
Take a step back.

First, do a crank scope. Check the cam sensor is still working.
Second, crank it over, and check it's still synchronising:
https://www.youtube.com/watch?v=Epogi4YKMZ4

If it is, it can only be incorrect timing, or not enough/too much fuel.
Take all the plugs out except cylinder 1, then take a crank scope and send it to me so I can check the crank and cam sensor angles.


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 Post subject: Re: Vauxhall X25XE
PostPosted: Thu Jun 14, 2018 5:40 am 
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Joined: Mon Aug 01, 2011 8:20 am
Posts: 174
If you know the proper firing order it doesn't matter where the actual cylinders are positioned so if you put

F/O 123456 ( as you say)
O/P 123456

Put ecu pins in the holes that relate to these cylinders.

So 1 in pin 10
2 in pin 18
3 in pin 1
4 in pin 26
5 in pin 11
6 in pin 27

Tony.


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