I am having the same problem, and poor acceleration!!
No , the 1999 Ford Mustang came with the ( 3.8 liter V6 engine ) or if it was a GT version it came with a 4.6 liter V8 engine Helpfull
The 1999 Ford Mustang 3.8 liter engine was rated at 190-horsepower
The 3.8 litre V6 engine in a 1999 Ford Mustang has a timing CHAIN
The 1999 Ford mustang was rated at 190 horsepower for the 3.8 liter engine and 260 horsepower for the 4.6 liter engine
( 5W-30 ) according to the 1999 Ford Mustang Owner Guide
The Ford Mustang GT has a V8 engine, while the Ford Mustang has a V6 engine.
The 1999 Ford Mustang 3.8 liter V6 engine takes : ( 5 quarts with engine oil filter change )
The 2006 Ford Mustang has a V6 engine.
On a 1999 Ford Mustang : In the Power distribution box ( which is " live " ) located in the engine compartment ( # 14 is a 20 amp mini fuse for the fuel pump )
No, it will not.
The 2001 Ford Mustang has a V6 engine.
The 2010 Ford Mustang has a V6 engine.