Originally Posted by katie.g
we are getting closer to an answer, its either
fine tuned the injection pump timing
which seems the most likely?, i'm going for the injection pump timing on the basis that i can see finger marks around the engine where bits have been removed / worked on -i lifted the plastic cover off the top of the engine and there are finger marks on the rocker cover /inlet manifold etc- rather than an untouched engine bay thats just had a laptop plugged in.
(or a cleverly disguised citroen engine)
You can't adjust the injection timing or anything from under the bonnet it's all controlled by the ECM so would have to be reprogrammed if this is what he's done!