Haven't found any 3 bar OS's for e38 pcms for a silverado, is this even possible? Gna do a SD tune on a 2010 silverado but it only has the 2 bar upgrade option. Customer has the zr1 map sensor. Any help?
Can i just use the zr1 sensor and scale it accordingly and the OS will just be limited to read up to 2.5 bar?
Just enter the right data for the sensor. It'll work. 22psi is the limit of the ECM though.
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Thanks dsteck seems the e38 limited to 2.5bar
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