Firstfives.org

Blaise wrote:I don't think motronic 1.3 uses the cold start valve.

Sorry, I didn't read your sig, I assumed you were running stock.

I have been experiencing poor engine performance so much my mpg dipped below 20mpg for the first time. So I add techron and noticed an improvement.

But the surprise is it is now holding fuel pressure for an hour and a half. That is a bigg increase from compared to not holding pressure for one ...