Jaguar Repair MAFS Readings


Do you have a scantool or just a code reader?? If you can read Mass Air Flow, or find someone who can, use the attached pic as a guide. Read your Mass Air Flow under the four conditions. If the idle readings vary more than about 1 g/sec, or the high RPM readings vary more than about 3-4 g/sec, then the Mass Air Flow is suspect. If your MAF reports more than the chart figure, Rich System Codes can be set.





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