Technical Please help me urgent!! Seicento cuts out when HOT

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Technical Please help me urgent!! Seicento cuts out when HOT

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Right got the ECU code this morning which is the Magneti Marelli code

6160050704.F

which translates to the following

IAW59F.M7

the new owner decided to threaten me that i give his money back (which i don't have) or repair the car..

so im going to order this and pray to god its the ECU even though when it dies its still running on 4 cylinders and gets no fuel or spark..

http://www.ebay.co.uk/itm/FIAT-SEIC...arts_Vehicles_CarParts_SM&hash=item51c3c87c08

ive been on the phone with various people and they suspect the ECU as many of these units failed, but its only when its HOT-literally past the point of caring just don't fancy this bloke coming round with a brick... :(

ill update when the units here and hope he hasn't smashed my windows
 
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Update:

tested the spark with an inline spark plug light

got the car very hot so that the problem was evident

gurgling and starved of fuel. across both coils we had a spark

making me now think the fuel pump is naff? surely if it were the lambda sensor it would throw up a fault code...


Thankyou so much to those that have helped, i would have been in a situation without you brain boxes! <3
 
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