Hi I have a 2002 Citroen relay start s up no problem excelarate up to 3000 revs then hit s a dead spot engine then picks up but start to smoke out of exsaust any clues it's only done 54000 miles
Try disconnecting the air mass sensor. It's in the big hose from the air filter and has a lead with two wires. Remove the plug and test run, if it's better the sensor needs replacing, about £60
IanOCov, March 2017
Possibly be the beginning of the end of your turbo