Normal Specs for MAF sensor in 5.4L Engine - Ford Truck Enthusiasts Forums



Normal Specs for MAF sensor in 5.4L Engine

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Old 03-06-2007, 11:40 AM
jrroth jrroth is offline
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Normal Specs for MAF sensor in 5.4L Engine

What is the normal operating band for MAF for the 5.4L engine. The MAF sensor is reading from about 0.8 to 1.5 #/minute per OBD2 diagnostic software. I am currently trying to diagnose codes P0171 and P0174 in a 2002 E-150.

Thanks in advance
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Old 03-06-2007, 09:22 PM
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Not sure of the spec's right off, have you cleaned the MAF yet? Have you checked the PCV hose elbows for cracks/leaks?
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Old 03-07-2007, 12:38 AM
JRROTH1 JRROTH1 is offline
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No - I won't have time to really work on it until this weekend. I just wanted to see what the MAF sensor was doing prior to cleaning it. I figured if it was reading normal then I might consider leaving it alone and checking everything else first.
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Old 03-16-2007, 12:18 PM
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Quote:
Originally Posted by jrroth
The MAF sensor is reading from about 0.8 to 1.5 #/minute per OBD2 diagnostic software.
At what RPMs? And how much go-pedal?
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Old 03-19-2007, 12:33 PM
jrroth jrroth is offline
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RPM are idle to about 2000 rpm under no load. Why go-pedal>

Jim R.
'04 F150 SuperCrew XLT 4x4 5.4L V8
'97 F150 SuperCab XLT 4x2 4.6L V8
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Old 03-20-2007, 12:45 AM
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Because the voltage varies depending on how much air is being drawn thru it.
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2007, 54, 54l, e150, engine, f150, ford, maf, normal, reading, readings, sensor, specifications, specs, typical, voltage

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