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youre correct. when i fitted the supercharger it went back to 50kpa baro reading. when i unfitted the s/c it went back to 99/100kpa

Hhrfreek you by chance have a copy of your tune file from The hhr I can take a look at?

okay well now im getting baro 99kpa which sounds right because im right about at sea level (using same 2.5 map sensor as you). car still idling and running a little funny and still no idle control...

Starting to think map isn't scaled properly for the 2.5 bar

Just put in a stock ecu with a stock tune and it still reads 50kpa think there is a problem with a related sensor

HHRfreek what map sensor are you using on your car? im using the TMAP sensor from the lsj and wondering if the map is causing some sort of problem. doesnt look like the car has a...

even if i command the car to idle at a specific rpm it wont want to leave 650-700rpm

Its still reading 50kpa so im going to talk to my tuner and see if there is something he may have disabled or altered. weve been tuning the car pretty much exclusively through maf. hell ill swap the...

nice ill give it a shot

bump. anyone?

*49791
*49793
*49795


Hey guys,

I have a 2.4L cobalt on E85 with a TVS supercharger (lsj throttlebody, 160# Injectors, intake/full exhaust (catless). A friend tuned the car, but...

bump anyone?

p0068 Throttle Body Airflow Performance
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Okay just a quick bit of background info. i have a 2.4L Supercharged Cobalt...