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Map Sensor Fault/pcm? Anyone?

PCM ECU MAP MAF corrupt mpg

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#1 stooge75

stooge75

    Too much time on the boards

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  • Ford Model: Mondeo tdci zetec
  • Location: Angus

Posted 04 May 2013 - 04:32 PM

Im getting some readings from my MAP/MAF sensor(both changed for new ones)

The MAP sensor coming from intercooler(drivers side on pipe under headlight area) is only reading 0.03volts & doesnt budge,even after replacing. also both maf/map sensors seem to read erratic when driving along at steady speed ieMAP reads for example: 0.1, 8.0 2.9  

same with MAF but not SO erratic. 

My EGR valve doesnt seem to open much either. vacuum appears to be working ok.

On the snap-on,it seems to have a map readinng in Kpa,so cant tell whether its 1bar or not.

Anyone have any experiences like this before? Im wondering if it could be a faulty/corrupt PCM/ECU.

Anyone have any advice? Im stumped. 



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