2004 Mercury Marquis

2004 MERCURY MARQUIS
39,000 MILES • V8 • 2WD • AUTOMATIC
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RICHUS
  • MEMBER
  • 1 POST
Code P0506 ,


"idle air control system low."
Should the valve be replaced or cleaned?
Affect MPG?
Local-8-10.
Hwy. 13-15.
Long distance hwy....100 miles , 20-24!
Aug 30, 2010 at 4:21 PM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
  • 16,542 POSTS
  • ASE Certified Mechanic
IAC valve wiring should be inspected, if it's good than IAC valve most likely at fault and needs replaced
Aug 30, 2010 at 7:48 PM
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