what is this dial ..

[Andyuk911]

http://cgi.ebay.co.uk/ws/eBayISAPI.d...ADME:B:SS:UK:1

[Rusty_CallyT]

rubbish is what it is

[Andyuk911]

That does not really help ... just want to know what it is

[Rusty_CallyT]

its a variable resistor that tricks the ECU into thinking sommit thats not true, it will probably cause damage, especially if it runs lean on a turbo charged car