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Map sensor feed wire volts


jas98

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  • Member For: 11y 8m 5d
  • Gender: Male
  • Location: Maryborough Qld

Think I've narrowed issue to map sensor or wireing. Ba xr6t

 

Ok so at koeo the output is 1.8 v going by forscan 

 

Engine on its .85 volt 

 

Now I've just checked what volt is a wireing loom to sensor  withulti Meyer and I'm getting 

 

4 wires was 

 

1. 0v

2. 4.95

3. 4.98

4. 5.37

 

this right?? I wiggled wires yanked them etc didn't change 

 

 

Downt seem correct to me  as shouldn't at least one be a feed back wire to pcm so shouldn't have any volts? 😕 Or does it at key on then switchs to a signal wire?

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