I now have a tdi auto with the fly by wire throttle, afm and all the other electrical bits.
I've heard these cannot be tweaked on the pump, is this true?
If its true and ecu monitored would the ecu supply more fuel if I tweaked the actuator?
Hi Brian, the fuel on an EDC car is electronically controlled as opposed the the mechanical fuel pump and it's adjustments that we have been discussing.
As a result, you cannot adjust the fuelling on your car in the same way.
I don't understand what you are trying to say in the highlighted phrase above - what do you mean by ecu
monitored.........tweaked the actuator. What actuator?
Normally if you want to create more power and can't do the pump tweaks, you can De-EGR and De-Cat you car. This will not directly increase power in absolute terms, but it will make the car noticeable more responsive, which I'm guessing is what you are really after??
A De-cat front pipe costs £15+vat from Paddocks and a full De-EGR kit costs approx £20 from Ebay. Easy jobs to do and increase the efficiency of the engine.
I remember doing the De-Cat front pipe on a TDi 300 auto I had a few years ago and it really transformed it.
In addition and subsequent to the above, you can also get a re-chip of the ECU, but I would strongly advise you to:
1. Ensure that the car is fully and recently serviced with all new filters (especially the air filter) and oils;
2. Check your tyre pressures - 32 front; 36 rear;
3. Check to ensure no brakes are binding;
4. Check/clean your fuel sedimenter.
Make sure the car is running to it's optimum BEFORE doing any mods. Then do your mods in stages and in the order suggested above
Good luck
Dave
Don't bother with a replacement intercooler- far too expensive and too small on an autobox car to make significant difference, imo.