Five problems related to engine have been reported for the 1998 Lincoln Navigator. The most recently reported issues are listed below.
Number 8 cylinder ejected spark plug.
Spark plug explosion on cylinder #3 in my 1998 Ford 5. 4l v8.
While parked the consumer's vehicle caught fire in the engine compartment.
Ford engines. Cylinder head defect on Ford and Lincoln trucks causing spark plugs to blow out, stripping the threads.
Consumer stated the vehicle caught on fire while parked.