Yes it is.
is 3,9 an interference engine
what is making my Lincoln ls v8 backfire under the engine
On a 2000 Lincoln LS : In the FRONT power distribution box ( which is " live " ) located in the engine compartment ( on the passenger side of the engine compartment ) ( relay # 14 is for the PCM power )
Overheated.
According to the 2000 Lincoln LS Owner Guide : With engine oil filter change : The 3.0 liter V6 engine takes ( 6.7 U.S. quarts )
The engine oil filler cap on a 2000 Lincoln Ls is : ( V6 ) drivers side of engine , near the front of the engine , on the top of the engine cover ( V8 ) drivers side of engine , near the rear of the engine , on an extension tube
If you mean the engine cooling fan fluid reservoir ( located in the engine compartment on the passenger side of the engine ) it takes MERCON automatic transmission fluid according to the 2000 Lincoln LS owners manual
According to the 2000 Lincoln LS Owner Guide : For the 3.0 litre V6 engine and the 3.9 litre V8 engine : ( " premium " unleaded gasoline , 91 octane or higher )
P0305 , engine cylinder # 5 misfire detected
Pull it out the top.
It will either be under the dash or in the engine compartment.
The 2000 Lincoln LS with the 3.0 liter V6 engine gets 22 / 23 miles to the U.S. gallon on the highway.