I bought my 2001 mustang gt 4.6 liter a month ago which had sat about 4 years. I drove it for 2weeks and smelled gas periodically while driving and as soon as i would park so i put a gas/fuel injector cleaner & filled up tank. Found out it had a leak from a round rubber piece so i dropped the gas tank and cleaned the gunk from the strainer, and changed out the fuel filter, which the gas inside the filter was a rusty orange color. Now i have really bad hesitation and jerking when driving also when i get to 35mph it doesnt seem to idle correctly, and also feels as if car wants to shut off when at a stop light. So i figured it needed a tune up so put motorcraft spark plugs and when i put them in 1 wouldnt stay in so i measured it with the old spark plug and the old 1 was a lil bigger in size so i left the old 1 in.
SOURCE: 1998 Mustang GT sat for over 2 years. 1/4 tank of
Injectors need cleaning, As being left for time its got dirty, Run a fuel system cleaner through the fuel, Or get an professional to clean injectors for you with a high pressure unit.
SOURCE: i got a 1999 ford
You have two coils on this engine. Test each wire for spark with the engine running. You'll find at least one wire not sparking. replace the coil that has the wire that's not sparking.
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