loss of power when throttle applied

[mat.]

as above really

its a yreg 2000 1.0 micra bosch coilpack engine

been reading the other bits on here about hesitiation and under power
my problem a bit different

runs sweet as a nut then u put ur foot down and it loses revs, it slowly cuts it out. almost the exact opposite to what an accelerater shud do.lol

changed the coilpacks and plugs no difference
but runs so nice on tick over then throttle applied no power...


dont get it???
hope u guys can help
cheers in advance

 

[frank]

sounds like a lack of fuel pressure mat

 

[r-reg-sr]

found my throttle body responsible for this
pedal down it was dying with fuel starve-cutting out

 

[smiffy]

same as R-REG-SR had same problem changed throttle body cleared problem right up