i have a courier van W reg. the glow plug light flashes, the accelerator sometimes stays high or normal idle,it has electronic accelerator. but after a few revs there's on acceleration from peddle! i have put new glow plugs,cleaned out EGR valve,blown fuel lines in case blockage. still same problem! can anyone advice me.

yogesh, February 2013

it is difficult to determine your fault,have had some motors not revving due to crank sensors and throttle pedals,unless you have second hand parts to try then it is no point guessing and a code reader may help with your problem

cdc, February 2013