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allisonw79

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      allisonw79 replied to the thread 5v ref issue.
      Let me back up Let me back up and ask this...there are 2 plugs to the ecm...so is one plug 5v ref1 and the 2nd plug is 5v ref 2 I guess...
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      allisonw79 replied to the thread 5v ref issue.
      It does help another. Also all these are giving 5.5 v for both ref 1 and ref 2....any ideas on what would make it be above normal.
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      allisonw79 replied to the thread 5v ref issue.
      So I spent a few hours starting at the cam sensor following wires back tonecm plug, then following additional wire in the plug pin...
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      allisonw79 replied to the thread 5v ref issue.
      Out of curiosity when I'm reading the code reader on any given sensor, I check the box for 5v1 and 5v2 and then the specific...
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      allisonw79 replied to the thread 5v ref issue.
      We are tracking all those sensors Camshaft Crankshaft Fuel pressure Oil pressure MAF MAP AC High pressure Accelerate pedal
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      allisonw79 replied to the thread 5v ref issue.
      Well that's the thing...we have a code reader, the sensors as we read each one says (ac high pressure) 5v 1 5.5, 5v 2 5.5 Sensor...
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      allisonw79 posted the thread 5v ref issue in Tech Info.
      I have 07 tahoe, it's giving a 5v ref. Backstory: engine oil pressure light kept coming on, replaces oil press sensor, it began making a...
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