[DON1]

at 2000 rpm doing 30ish it developes a miss or imbalance increase speed and it goes
fitted egr ,air mass meter, f/filter, also fuel pump under vehicle, any ideas.
cheers.

 

[jonathan2263]

Any warning lights on ? Even if not, have it scanned for codes and post what you find.

 

[DON1]

Hi as requested codes r g/plug activation all 4
smooth running controller
a/mass flow sensor
o2 ground connection
o2 nernst voltage