MAF replacement
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New User
Joined: Mar 2007
Posts: 4
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From: South Texas
MAF replacement
Anyone help with step by step removal and cleaning or the install of a new MAF. on a 04 5.4? Would appriciate ANY help! Wanna try to clean it first before I fork over the bucks for a new one. Heard my K&N might be fouling it from the oil in the filter... Thanks
Senior User
Joined: Sep 2004
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From: Michigan
Are you giving your K&N time to dry before you reinstall it? I have used a K&N on my Mustang for over 10 years and not had a problem with the MAF. If you do clean the MAF, do not touch it, only spray it with electrical contact cleaner (does not leave a residue) let it air dry and replace.
Thread Starter
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New User
Joined: Mar 2007
Posts: 4
Likes: 0
From: South Texas
Thanks for the help, everyone! The K&N hasn't been cleaned yet, so it is still the factory oil job. Thought of replaceing it with just the regular Motorcraft filter to see if there is any improvement after cleaning. The reason for suspecting the MAF is bank 1 & 2 is showing a lean condition. Also, the crank position sensor is showing a signal error. Where to begin, where to begin....
Senior User
Joined: Oct 2005
Posts: 203
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As mentioned, just get some electrical contact cleaner and spray it to clean it. Just spray the sensor in the middle of the two screens.
You might also find some spray cleaner labelled "MAF cleaner spray" or something similar. It is nothing more than electrical contact cleaner.
You might also find some spray cleaner labelled "MAF cleaner spray" or something similar. It is nothing more than electrical contact cleaner.
