Boost Reading From PCM Accurate? - Ford Powerstroke Diesel Forum
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Old 04-28-2013, 06:46 PM
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Boost Reading From PCM Accurate?

Just wondering how accurate the boost reading is from the pcm. I added an Edge Evolution programmer/gauges and stock reading was 15 psi, 80 hp program jumped it up to 18 psi and I just installed the WW2 and turbo master waste gate controller and I only got 19 psi. All testing done on same street at same location to try to be as accurate as possible. I will say that the difference from just the tune to the tune with the WW2 was noticeable. It pulled real strong and smooth after the WW2 install and getting on the go pedal at 1600 rpm in 6th, no surge, it just pulls nice. So I am just wondering how accurate the reading is. Thanks.
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Old 04-28-2013, 08:23 PM
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Did you try pulling up the PID on your EDGE for the MAP sensor? that would be the most accurate really, being that is what the PCM uses for your boost reading.

there are more people here much more knowledgeable then me, so please chime in if I am incorrect.

sounds like your map sensory could be a little off though, I get over 25lbs boost some days depending on air temp, oil temp etc.
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Old 04-29-2013, 11:09 AM
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As long as the MAP sensor is in good condition, the reading will be accurate.
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Old 04-29-2013, 03:06 PM
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Yes, I have an auto meter gauge as well as edge insight and they read the same
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Old 04-29-2013, 04:15 PM
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Thanks fellas.

Sent from my SPH-D710 using AutoGuide.Com Free App
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