• Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

Maf clean ?

  • Thread starter Thread starter Killa
  • Start date Start date Oct 29, 2007
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the98stang

Active Member
Aug 12, 2005
2,408
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Clovis, CA
Oct 31, 2007
#21
  • Oct 31, 2007
  • #21
KillaGT said:
MS. I bought the tool from sear ( $20 ) worth of 30min driving, Take out clean it, dint feel any different yet. I take out the negative battery, and driving around then check engine light still on.

P0500 - Vehicle Speed Sensor fault.
P0171 - System Too Lean - Bank No. 1.
P0174 - System Too Lean - Bank No. 2.

car keep jump from 1k or 1.5k, and high idle for 4-5 second then drop down to 800.
Click to expand...

Lean codes are an indicator of vacuum leaks. Check all vacuum lines with butane as I recommended previously.
 
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