Boost Pressures
#1
I've just fitted a boost gauge to MY93 WRX and was wondering if the readings are correct. At idle it reads -0.7bar and at full boost it reads +0.8 bar. Are these figures right? I spliced into the pipe which runs to the map sensor. Any help would be appreciated.
#2
Mark,
It might not be a goot idea to T the gauge of the map sensor feed, if your gauge or it's hosing were to generate a leak the car could well start overboosting badly.
Moray
It might not be a goot idea to T the gauge of the map sensor feed, if your gauge or it's hosing were to generate a leak the car could well start overboosting badly.
Moray
#4
Hello Mark
Not sure about the boost,but I didn't think it was a good idea to splice into the MAP sensor pipe in case it delayed manifold pressure changes reaching the ECU.
There is normally a spare connection with a rubber cap near the coil which most people use (Bit further away though)
hope this helps
Andy
Not sure about the boost,but I didn't think it was a good idea to splice into the MAP sensor pipe in case it delayed manifold pressure changes reaching the ECU.
There is normally a spare connection with a rubber cap near the coil which most people use (Bit further away though)
hope this helps
Andy
#6
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Mark,
the reason for using the "map" hose, is that you see exactly the same as the ecu. So long as you keep a very careful eye on your gauge, it should be fine, and your gauge will tell you if you have a problem anyway.
Just make sure you clip, or zip tie ALL of your hoses. Not all STi's have a spare take off from the inlet manifold.
Mark.
the reason for using the "map" hose, is that you see exactly the same as the ecu. So long as you keep a very careful eye on your gauge, it should be fine, and your gauge will tell you if you have a problem anyway.
Just make sure you clip, or zip tie ALL of your hoses. Not all STi's have a spare take off from the inlet manifold.
Mark.
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