2008 f150 MAF rate?

What’s the normal maf rate for a 2008 f150 5.4 v8. I’m getting about 1lb/min at 650rpm idle, 3.1-4.5lb/min at 1200rpm and the highest I’ve gotten is 4.9-5.4lb/min at 1700rpm. I’ve cleaned the sensor several times but I don’t have readings from before cleaning so idk if it did anything. And I don’t know if it makes... show more What’s the normal maf rate for a 2008 f150 5.4 v8. I’m getting about 1lb/min at 650rpm idle, 3.1-4.5lb/min at 1200rpm and the highest I’ve gotten is 4.9-5.4lb/min at 1700rpm. I’ve cleaned the sensor several times but I don’t have readings from before cleaning so idk if it did anything. And I don’t know if it makes a difference but I have some pretty bad exhaust leaks around the catalytic converters and through out the rest of the exhaust
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