Hi all had my car mapped, performance all good my issue is I had the egr and swirl flaps deleted,I have blanked egr and swirl flaps removed/welded. I am getting car with spanner light on dash when they are both unplugged and peddle test shows 0400 egr fault and 1109 and 1110 both swirl flap...

Hi I'm hoping someone will be able to give me some suggestions. My car developed a fault two nights ago when I was 5 mins from home, drove home and parked it up as was 10pm and cold. The next day I turned it on and the engine light was gone, drove 5 mins down the road and it was back. I have a...

I've had an idea for raising boost on a cdti engine, may be silly or may have been done before. Basically, your maximum boost i believe is limited by the ecu when the map sensor reads a certain pressure. So in theory putting a resistor in series with the signal wire from the map sensor woul give...