I just fitted a roll cage and seats etc to my Gti-6. Its been sitting now for about 3 months without being started. Symptoms are strange and not what I'd usually associate as being normal problems. I think my welding may have damaged some electronics i.e the ecu. I had the battery dissconnected while welding to try stop any curents running about where they are not wanted.

Symptoms are...
Fuels pump runs as normal for 2 seconds when ignition is switched on.
No spark.
I don't think the injectors are opening.
The Dials on the dash are not going up and down when ignition is switched on like they were.
Engine is turning over.
Lights on dash all seem ok.
Fuel gauge not working with ignition only.
Engine warning light is staying on when turning over.
Imobiliser went through the usual routine after reconnecting battery.

I think I have an ignition problem and may have burned out my ECU.

Anyone got any ideas?

How do I get to that sensor? Could that effect the Fuel gauge and dials not lifting?

I took out the crank sensor. Lookied very dirty so I cleaned it and piopped it back in. No joy. I'm collecting a new sonsor tomorrow. I also removed the double relay which I think feeds power to the ecu and am going to try get one in a scrap dealers. Any other Ideas what it might be?

checked fuse number 6?

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Tried all of the above but still no kick at all. New crank sensor and another relay tried. Fuse 6 is ok. What is the tiny button beside the key switch for?

Yes but only tried a second hand one. I might see about testing it. Whats puzzeling me is the way the dials are not working. The fuel guage is not working at all.

Vin - Vf37crfsw32310200
Build Code - 7745

Tiny button on the steering column disables the ultrasonics (hold it downn alarm light will come on solid) then you can alarm the car with the windows open so not your issue. Have you checked the fuel cut off switch to make sure that is not faulty. You are 100% you have fuel on the rail?

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Although it's no longer available new, it's worth trying to get hold of a good example second-hand. As GTi's get tubbier and cooler, it's nice to remind yourself of why insurance companies hate hot-hatches so much.-Top Gear on the 6 Apr '01. Black 6

From your battery test it defo sounds like you need a new battery.

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TEAM DIABLO!!

Was the battery disconnected when welding the cage in. as you may have spiked the ecu

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if i dont see you in the mattress il see you in the spring

when you got the roll cage fitted did you have the dash out??

Might of left something disconnected perhaps

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TEAM DIABLO!!