How to strengthen 307 1.4 hdi

I think, check the turbo electro valve and the vacuum tank that gives the vacuum to the turbo vestigeyt, if there is oil in the vacuum tank, the vacuum pump may change.

First of all, check if there is a problem in your vehicle. If there is no problem, chiptuning may be the solution you are looking for. I think you can get a yield of 20-25 hp.
koliva 2012-04-14 10:39:01