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P1506 Diagnostic Trouble Code Discussion for October 2006

Idle Air Control System RPM Higher Than Expected


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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
1998 Mercury Mystique LS 2.5L Surge, MIL Lamp on, races at idle VIN: 1MELM66LXW
P1506: idle overspeed. Gentelmen, This car was brought to me for a used car inspection, at that time the only complaint was an erratic tach. I checked it out along with the rest of the car, it seemed OK, I briefly looked at the trouble tree for the tach and told the owner it probabl...
October 09, 2006