Thread: TD5 out of tune - running rich

Originally Posted by td5inside

In order to run the VNT turbo at those sort of pressures you have a boost box fitted, right????

Check the wiring of the boost box....

If everything is allright with the wirings, you can try and remove the boost box and see how the car goes (It should go in to limp mode for excessive turbo pressure, but before it reaches that, you can see how it performs)

Yes, I run a turbo booster box from TD5 Alive/Alive Tuning ( Td5 Turbo Booster Module ). Also have a modified aftermarket MAF from Alive Tuning which stops the MAF error issues from too much airflow through the sensor.

I am currently communicating with IRB Developments in regards to their two channel turbo booster box. This will allow me to run the standard Genuine OEM Land Rover MAF sensor, which hopefully will give me nicer smoother shifts with the automatic transmission.

I will check on my current turbo booster box and check the wiring. I disconnected the earth lead a few months ago for diagnostic purposes. With the earth lead disconnected the vehicle went into limp mode.

Do you perhaps recall if the strange pressure readings were present in the fuel input readings that I sent you a few months ago too? I still have these files if it is worth comparing the the two?

Originally Posted by Benny_IIA

any change in power?

has the ambient temp raised much down there coming in summer?

Good point about the temperature - it's ranging from 8* to 21*C, so still fairly cold, but warmer than winter!

Not sure on change in power. As I said in the first post, the vehicle has been off the road for two months. During this time I've been driving my 5.6L V8 manual Falcon, so getting back into the automatic TD5, I've noticed a huge decrease in power, but not necessarily because the actual vehicle has changed!