2003 Lincoln Navigator Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Lincoln Navigator

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

Prior to jacking or lifting a vehicle with air suspension, you must turn off the suspension switch. The switch is generally located in the trunk or on the right side of the passenger foot well.

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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Some problems with suspension when it get cold the truck won't raise up right away! I don't know what to do about that.

probably had the potential to been one of the best full size suv. However my 2003 had minor electrical sensors failing from day one, like doors then runing boards then suspension replaced rear and compresssor. Dealer was inept changed sensors when the air bags was gone. now i have replace four coils and spark plugs engine still running lean. So they told me to get rid of the vehicle after they ...

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