lumpy tickover

[ivorypulsar]

my car is running lumpy on tickover but revs out fine. i have just had a full engine change any ideas guys

 

[Gav_Kara]

Have you checked the little blank pipes on throttle bodys..mine just to pip um off then used to idle lumpy as had air leak on one cylinder

 

[Davie Houston]

Vacuum leak for deffo`s in my eyes. but need to check all vacuum pipes at back of inlet and make sure all the caps are on the inlet manifold right at the throttle bodies.