stp359
Veteran Member
I've been chasing this high fuel consumption issue for over a year now. The engine has a stage 2 colt cam(85000km old), EGR & MAF delete.Fuel and air filters were replaced, fuel and coolant sensor are new(the fuel sensor was bad), torsion value is 0, the turbo was replaced(jammed VNT). No smoke on cold starts. No knocking from the engine. I can't see any smoke under heavy acceleration. The MAP readings look good. The intake was ramoved and cleaned. I get a random limp mode once in a while for boost not reached. I ran 2 cans of Liqui Moli diesel purge already. The engine is smoother now but the fuel economy is the same. The car still has the cat converter. I get 9-9.5L/100km on long trips where I used to get 6-7L/100km. I feel like the car has a little bit less power than before but not a big difference. Any ideas where to look next? I was thinking the injectors but a lot of people are saying it would knock and blow smoke if it was the case. Any experience on a PD engine?