1998 Mazda 626 100,000 miles 4 cyl
Had a tune up last year, a week later the engine light goes on.
Codes read P1506 Idle Air Ctrc Overspeed error
Its supposed to run at 1000 rpms. I notice when I stop it plummets down for a bit then goes back up to about 800
Wednesday, May 30th, 2007 AT 10:02 AM