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Power Strokes
7.3 Aftermarket
Autometer HPOP gauge reads false when chip is on
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[QUOTE="Baker42, post: 1388222, member: 2703"] I have 7.3 with a HPOP gauge. It reads fine with the chip on the stock tune. When I turn the chip on it is showing 4000 P.S.I.! I talked with the tuner and they said none of their tunes command more than 3200 P.S.I. I do believe them which leads me to believe that the ICP sensor is giving false readings when the chip is on. I have read in the past where a 2nd ICP sensor needs to be plumbed into the head strictly for the gauge when a tuner is used. the truck was scanned with a snap-on scanner last year for an unrelated problem and the gauge read extremely accurate. Any thought would be appreciated.:wtf: [/QUOTE]
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Autometer HPOP gauge reads false when chip is on
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