the spark plug gap is .054in. for 2003 ford focus.
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The correct spark plug for 2001 1.6 Ford Focus is NGK TR5A-10 with a gap of 1.3mm
Unless you have fuel injection.
Second from the left.
depends on the engine it could have 8 if it is a 4 cylinder some 4 cylinder do for a ford
My 2002 Ford Focus ZX3 has a spark plug gap of .050" (1.3mm).
motorcraft.com shows : 2.0 L - DOHC ( .050 inch ) 2.0 L - SOHC ( .054 inch ) for the 2000 Ford Focus
The parts needed for a tune up on a 2003 Ford Focus are an air filter, oil filter, and spark plugs if needed. Oil and transmission fluid to refill after changing the fluids.
The 2003 Ford Expedition owners manual shows a spark plug gap of .052 to .056 inch for both the 4.6 L and 5.4 L V8 engines
Usually, replace the spark plugs and/or the #2 ignition coil.
The 2003 Ford Focus has 16 valves.