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  1. 4

    Volvo Penta 5.0 Gi PEFS problem- stumped!

    Gotcha- I keep the battery plugged in to a maintenance charger, not sure if that would skew the result or not. As soon as I can I will pull er outside and take the readings of the MAP & MAT.. I appreciate the help!
  2. 4

    Volvo Penta 5.0 Gi PEFS problem- stumped!

    So I am taking the measurements for the battery separately from the MAP & MAT sensors correct? And do I check for 5V on those while the engine is running?
  3. 4

    Volvo Penta 5.0 Gi PEFS problem- stumped!

    I was able to make it to the original dealer today, and they ran the codes and this is what they came up with- 14 coolant sensor voltage high 22 TPS voltage low 23 Mat voltage high 34 Map voltage low They believe my ecm may be on the fritz... any thoughts?
  4. 4

    Volvo Penta 5.0 Gi PEFS problem- stumped!

    Also I found this plug/wire on the starboard side of the engine- does it need plugged in or not?
  5. 4

    Volvo Penta 5.0 Gi PEFS problem- stumped!

  6. 4

    Volvo Penta 5.0 Gi PEFS problem- stumped!

    Hello all, Long time lurker around iboats but the past few days have me at the point that I need some help! 1st off I have an appointment a week from tomorrow at a well known shop that is familiar with my boat from the previous owner. But if I can solve it before then it would save me some $$...
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