× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1506 Diagnostic Trouble Code Discussion for November 2004

Idle Air Control System RPM Higher Than Expected

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1506
Help Request Posted
1997 Mercury Mystique GS 2.0L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 1MELM6536V
P1506: iac overspeed. after codes erased, only lean code returned once. idle is erratic and surges, sometimes stalls, worse with defrost ac on. Cannot find throttle body plate position adjustment as someone has been there before, also maf wiring has been cut and plug replaced. Vehi...
November 16, 2004