DTC B1663 Lincoln
Intake Manifold Changeover Valve Circuit Short to B+
Intake Manifold Changeover Valve Circuit Short to B+
Description
Engine started, and the ECM detected the changeover valve circuit was shorting to positive during the continuous self test.
Cause and Solution
Leaky vacuum reservoir, vacuum lines loose or damagedVacuum solenoid or vacuum actuator is damagedIMRC actuator cable gears are seized, or the cables are improperly routed or seizedIMRC housing return springs are damaged or disconnectedL
Video Guide
Diagnostic Info
- DTC Code: B1663
- Brand: Lincoln