Titanium Grey S4 Avant
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the S4 i bought wouldnt start when i first got it, cant really say what was the matter with it, i swapped parts, tested things then it spluttered into life.
Ive just put the fuel tank from the S4 into my S6, when i removed the fuel sender cover i found the fuel pump wasnt in its basket and unless you had a good amount of fuel in it it would be sucking air, might be something to check!!Comment
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Just talking to my dad, could it be the ignition switch? Because when I turn the ignition on, fuel pump doesn't run, but it does when I override it via relay?'93 Audi 100 Avant - R.I.P
'92 Audi UrS4 Avant - SOLD
'93 Audi UrS4 Avant
'15 Audi A7 quattro 3.0 TDIComment
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Fuel pump won't run till the engine is cranking over.
Could still be ignition switch broken though.
You say the immob is broken but the ECU is non-immob. Does this mean there is an aftermarket alarm/ immob? If so then find it, follow the wires and get rid of it.Comment
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Wouldn't it get the pressure up?
Well, this is the immobilizer:
'93 Audi 100 Avant - R.I.P
'92 Audi UrS4 Avant - SOLD
'93 Audi UrS4 Avant
'15 Audi A7 quattro 3.0 TDIComment
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Is that aftermarket? Have you removed it properly? have you traced the wires back to where they were connected and re-joined the ones which have been broken into?Comment
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It is indeed, but has been removed before I bought it. There is only one wire I can see that is "broken", the brown/green one below.
'93 Audi 100 Avant - R.I.P
'92 Audi UrS4 Avant - SOLD
'93 Audi UrS4 Avant
'15 Audi A7 quattro 3.0 TDIComment
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What's that plug? where does it connect to?Comment

This purchase wasn't planned for sure. 
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