lost a post somewhere.. oh well. Thanks Jeff, I understand the principles behind absolute pressure though there is something niggling at me about this, the boost reading were al over the place today with the reading being 1.2 bar on tickover. it settled down though was showing positive pressure soon...

Suggestion - have you checked the cal on the sensor? You should be able to use a mighty-vac, with some creative matching of fittings etc, to apply at least that much pressure/vacuum... At least to get a sanity check, which seems to be what you're after. Are you logging CAN signals from the ECU as w...

I've the Bosch boost sensor connected to a dash two, its on an impreza turbo engine albeit installed in a kitcar. the car seems faster than I anticipated and I'm concerned about it overboosting. the engine should boost at 0.9 bar maximum. The absolute presure side of things is confusing me a little,...

Thanks Kieran, I sent it back and Ryan has now sorted it hopefully all is good now and should get me through the IVA, thanks all for your assistance.

Hi all I did drop an email to you wednessday but so far no response thought I'd post here in case the email went astray. Email as follows I was after some advice regarding the Dash 2 I purchased new via Rally Technology, my car went through the IVA yesterday and it failed on a few numerous points in...