TheGrowlingSalmon
New Member
- Joined
- Oct 5, 2022
- Messages
- 3
- Reaction score
- 3
- Location
- Banchory, Aberdeenshire
- Your Mercedes
- Mercedes Vito 2012 113CDi
Hi,
I bought my vito about a year ago, with supposedly an "eco" map done and DPF delete. Never really been too impressed with either the performance or the economy to be honest, so I had a remap done again by Quantum, telling them about the DPF delete.
The van runs better no doubt about that, but still doesnt set the world alight. My sprinter 313 just had the same remap done and it absolutely flies. Will pull my caravan up a hill in 6th gear without missing a beat, but my vito just doesnt seem to have the puff.
I should state there are no stored or current fault codes and the CEL is off.
I've got and iCarsoft diag unit, and live data tells me both atmospheric pressure and exhaust back pressure are reading negative numbers all the time.. surely this cant be right.
I'm in a mind to change some sensors but reading online i've no idea where to start, the EBPS sensor seems easy to get to, but should i replace it, it seems strange that other sensors are reading negative values, so i'm wondering if some values are calculated values and not necessarily indicating a duff sensor somewhere.
Also, i've read the OM651 manual states theres a pressure sensor on the airbox (MAP sensor?), a sensor at the rear right of the engine by the EGR valve (EBPS sensor?) and a sensor front right of the engine below the inlet manifold (Boost pressure sensor?) I thought the MAP and boost pressure sensors were the same item.... I'm lost here
I bought my vito about a year ago, with supposedly an "eco" map done and DPF delete. Never really been too impressed with either the performance or the economy to be honest, so I had a remap done again by Quantum, telling them about the DPF delete.
The van runs better no doubt about that, but still doesnt set the world alight. My sprinter 313 just had the same remap done and it absolutely flies. Will pull my caravan up a hill in 6th gear without missing a beat, but my vito just doesnt seem to have the puff.
I should state there are no stored or current fault codes and the CEL is off.
I've got and iCarsoft diag unit, and live data tells me both atmospheric pressure and exhaust back pressure are reading negative numbers all the time.. surely this cant be right.
I'm in a mind to change some sensors but reading online i've no idea where to start, the EBPS sensor seems easy to get to, but should i replace it, it seems strange that other sensors are reading negative values, so i'm wondering if some values are calculated values and not necessarily indicating a duff sensor somewhere.
Also, i've read the OM651 manual states theres a pressure sensor on the airbox (MAP sensor?), a sensor at the rear right of the engine by the EGR valve (EBPS sensor?) and a sensor front right of the engine below the inlet manifold (Boost pressure sensor?) I thought the MAP and boost pressure sensors were the same item.... I'm lost here
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