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Old 02-26-2013, 04:06 PM   #1
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ScanGauge error with high MAP

For diesel SMB's with ScanGauge.

I discovered when my boost exceeds 36 PSI it reverts to Zero and continues to climb. And when that happens other parameters also change. For instance, MPG is dropping rapidly as boost approaches 36 PSI (when climbing a big hill) and when boost goes to 0.1 PSI, MPG jumps from 2.0 to 200+MPG.

I'm sure I'm not the only one that has had this happen. So, I'm passing on the 'solution' for all to use.

Contacted Linear-Logic and they said a register was filling up and when it spilled over it affected several other parameters. So, they gave me a different way to measure boost using X-Gauge functions:

- TXD - 07E0221440
- RXF - 046285140640
- RXD - 3010
- MTH - 012203200000
- Name - PSI

I haven't tested it yet, because I need a bigger hill than I have around home. Probably it will work as it always should have.

Mike
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Old 02-26-2013, 07:41 PM   #2
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Re: ScanGauge error with high MAP

Mike, if you don't monitor or set up that function it won't mess with the others you're using will it?
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Old 02-26-2013, 08:07 PM   #3
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Re: ScanGauge error with high MAP

No. And if do monitor it and don't exceed 36psi it won't affect anything either.

Mike
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Old 02-26-2013, 11:00 PM   #4
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Re: ScanGauge error with high MAP

No matter how you look at it, that's a lot of boost (even for the 6.0 which appears to make more than I would have thought). Is your engine (tune in particular) stock?
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Old 02-27-2013, 01:01 PM   #5
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Re: ScanGauge error with high MAP

My engine is dead stock. Remember MAP is actual pressure, not boost. My boost is about 28 PSI, or 42 PSI manifold pressure (14PSI ambient + 28 PSI boost).

I tested the X-Gauge, and it works the way MAP should have worked. Over 36 PSI no issues.

Mike
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