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Discussion Starter #1
Has anyone fitted these power upgrade 'boxes' to their 1.9 TDI?
I'm referring to the plug in units that plug directly into the wiring loom as an additional unit.
Manufacturers claim 25% power increase I'm curious as to the actual difference to the feel of the car.

Cheers
Wooly
 

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I was tempted by one on those. On ebay. Then it transpired that some of them are only a resistor soldered into the air temp sensor circuit, so that the ECU sees lower outside temprerature and throws in a bit more fuel in. Not sure about that lil' idea at all.
I'm sure there are some that do it in a much more gracefull way..
 

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If you want a power gain you have to spend the money and get a proper chip. It will increase the boost on the turbo which apparently get good bhp and torque gains.
 

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biker_bits is correct, stay away from the $40 boxes on eBay. One way or the other all they do is fool the ECU into providing more fuel. HP claims are doubtful. Randomjim is correct also, buy a proper chip for true HP gains and be safe and reliable too.

The only chip I have seen for the 1.9TDI is at MTM.

www.mtm-online.de

VB
 
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