afternoon 53 plate 1.6 astra customer complaied of stalling lack of power dropped car off took for road test drove perfectly code read p0400 p0130 fitted egr blank serviced car drove perfect,customer returns car 2 days later same fault stalling etc checked fault codes p0130 no1 lambda sensor fault checked lambda perfect , car running weak no signs of any airleaks map sensor reading at 3000 rpm 48kpa 2.5 v
cant get idle reading stalls bur readinging as it stalls 34kpa 1.2 v

gas readings at 3000rpm
co -0.00
hc 4ppm
co2 15.16%
o2 0.16%
lambda 1.01

any ideas obviously weak mixture but why thanks mick sorry for long post