2005 Lincoln Navigator Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Lincoln Navigator

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2005 Lincoln Navigator Problems

Check Engine Light Due to a PCV System Vacuum Leak

A vacuum leak from the PCV grommet vacuum leak can cause the Check Engine Light to illuminate. The molded rubber hose connections may crack and collapse, causing the vehicle to run roughly. A damaged PCV hose will require replacement.

Corrosion on Battery Cable Ends

Check the battery cable ends frequently for corrosion. Corrosion can easily migrate under the cable insulation and cause numerous electrical faults and drivability issues.

Rough Idle and/or Engine Stalling Condition

In high dust areas, problems with the EGR system are common. The filter for the EGR solenoid may plug and cause the EGR to activate when it should not; this can cause the engine to stall. The dirty filter should be replaced to correct this concern.

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2005 Lincoln Navigator Reviews

Paint on rear door is chipping. Told by local body shop this is a factory defect. Door is aluminum skin and paint doesnt stick well. Automatic headlight sensor doesnt always turn left headlight on at dusk. Was pulled over and given a warning as a result. Dealer was NO HELP when asked about it. now I make sure to turn lights off when turning off truck.

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