My 99 lincoln navigator continues to blow plugs and gaskets, y and when i drive it my rear end is low and i was told that my air suspension needed to have a fuse changed and also it doesnt get full power which in turn is costing me more money on gas and i was told that that may b my converter, please help!
Cars & Trucks - Lincoln - Navigator - 1999 Lincoln Navigator
Answers & Comments
Lets start from your first concern...
1.) your ENGINE is blowing spark plugs out but which gaskets are failing
2.) low rear end.... yes, a bad fuse could cause the rear suspension to sag
fuse #109 under the hood is the main fuse 50A
then there are 4 additional fuses for the computers and sensor all located in the CJB (central junction box) fuse box under the dash.... Fuse # 2, 4, 6 and 20
3.) a clogged converter could cause a lack of power
to test use a vacuum gauge and hook it up to a manifold source... run the engine at idle and vacuum reading should be 18-21psi
then run the engine at 2000 rpms and watch your vacuum gauge
if the convert is bad, the vacuum will gradually drop
keep me posted and let me know if there is anything else I can do