Help! Car won't start :(

[mikemk4gti]

Had a few moments spare so thought I would check over my earths on the gearbox and pos connection on the starter. I had the battery disconnected for about 20 mins.
Put it all back together, and now it won't start. The fuel pump is staying on constantly and it has filled the cylinders with petrol. I've took the fuel pump fuse out and spark plugs. I'm getting a spark ok. Have I wrecked the ecu somehow?
It's a 8v digi2 btw.

[tomp]

Yep sounds like the ecu is blown, same symptons as when I blew one once on an 8v

You will have to change the ECU and do an oil and filter change as the petrol will seem into the oil....

[clipperjay]

Checked your relay?

[mikemk4gti]

Oil and filters not a problem. But don't want to change the ecu until I know whats caused it incase it happens againn as soon as I plug a new one in (which I don't have )

[mikemk4gti]

Checked your relay?

Fuel pump relay? Surely that wouldn't allow it to bypass the injectors if they were closed?

[clipperjay]

Checked your relay?

Fuel pump relay? Surely that wouldn't allow it to bypass the injectors if they were closed?

Or stuck open?
Trying simple things for you!

[tomp]

I'd put money on it being the ECU, I did it when I was changing a gearbox, cylinders filled with petrol the same, bought one on ebay for about a fiver, problem solved...

Where in North Wales are you?

[mikemk4gti]

Ok, it's worth a try as I've got a spare one here, thanks.

[mikemk4gti]

I'd put money on it being the ECU, I did it when I was changing a gearbox, cylinders filled with petrol the same, bought one on ebay for about a fiver, problem solved...

Where in North Wales are you?

Colwyn bay

[tomp]

Don't forget to connect the positive first when reconnecting the battery...

Colwyn Bay is a bit far, could have lent you an ECU out of an 8v that I have here, pretty sure there is a guy on ebay who breaks mk2's in Colwyn Bay though