you might have crossed up the plug wires.
how do i tune up my 5a toyota engine
I perform diesil engine tune up to avoid engine trubol
Needs a tune up?
Could be many reasons. Start with a good tune up.
If there is no check engine light illuminated, start with the basics like a good tune up.
Need some more info, what year is it and what tune up parts did you install.
time for a major tune up
No spark plugs on a diesel.
diesel engine tune up-valve adjustment,bleeding,on time method,change oil,change filter
Could be may things, excessive cylinder wall clearance(worn engine), I would start with a tune-up.
I would start with a tune up
The problem was not fixed with a tune up, or the light is on because it was not reset by the service station.