Codes 1504 and 1506 speedometer and tachometer aren't working.
Apr 23, 2009 at 8:59 AM
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DAVE H
✓Experienced Mechanic
13,384 POSTS
check or replace the VSS (vehicle speed sensor) .. the codes are related to the IAC (idle air control) valve .. !
Apr 23, 2009 at 10:54 PM
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