Freelander 1 td4 cheap tuning

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That looks like its just a generic simple hack to alter the maf signal, with a bypass switch on the casing. VW guys used to do something similar with a simple resistor, and called it the Evry mod.The Synergy2 while more expensive is a far more rounded tuning box comprising a maf alteration circuit, and a tweak to the Fuel Pressure Sensor signal, as well as a tweak to the Manifold Absolute Pressure signal, so it tweaks airflow, boost pressure and fuel delivery, with numerous options for how to set it up.

https://forums.tdiclub.com/showthread.php?t=257122
 
andyfreelandy said:
Need to get one and take it apart.
Click to expand...
That would be good for a laugh Andy - but a waste of money?

Those cut in connectors (what ever they are called) I particularly dislike - particularly in an engine environment - it seems like an invitation for wire corrosion and unreliability... :( Otherwise, you could fit it, and see how it alters the ECU signals using your diagnostics box :)
 
You need to be careful messing with fuel pressure on the TD4. The HP fuel pump is already running at a pressure approaching it's maximum output. Pushing the fuel pressure higher has been known to cause leaking of the pump head seals. Mine leaks when I have the Synergy connected, but not when it's disconnected, which proves there's an issue at over inflated fuel pressures.
 
Jayridium said:
That looks like its just a generic simple hack to alter the maf signal, with a bypass switch on the casing. VW guys used to do something similar with a simple resistor, and called it the Evry mod.The Synergy2 while more expensive is a far more rounded tuning box comprising a maf alteration circuit, and a tweak to the Fuel Pressure Sensor signal, as well as a tweak to the Manifold Absolute Pressure signal, so it tweaks airflow, boost pressure and fuel delivery, with numerous options for how to set it up.

https://forums.tdiclub.com/showthread.php?t=257122
Click to expand...
The EVRY mod is quite popular in Rover L Series circles to, as discussed here...

https://www.landyzone.co.uk/land-rover/l-series-mods.284526/
 
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