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Notice: This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage. Gap the spark plug, using round wire type spark plug gap gage.
Gap Adjust the spark plug gap to 1.14 mm (0.045 in).
DO NOT coat the spark plugs with anti seize compound. Over torquing could occur and damage to the cylinder head threads may result.
If your going to use Platnum plugs, DO NOT GAP them. Just check the gap and if there not the right gap, ask for new one's with the right gap.
The metal on the PLatnum plugs, are harder and my break apart in the cylinder .
IT SHOULD BE UNDER THE HOOD ON TOP OF THE HOOD OR ON THE AIR FILTER ON A WHITE STICKER THAT TELLS YOU THE ENGINE SIZE. ON THE BOTTOM OF THE STICKER. HOPE YOU CAN LOCATE IT. GOOD LUCK
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The spark plug gap is the distance measured from the ground piece that is bent at a 90 degree angle over the center post to the center post of the spark plug..
This distance should be around 0.035" but is slightly different in all cars.
Hello: There should be a white placard under the hood giving you the spark plug gap, Its called an ession label for your engine, the gap probably is .060 of an inch. The fuel filter should be behind the fuel tank or to the passenger side under the rear of the car.
My 98 Sunfire has a fusebox when you open the door on the drivers side on the side of the dash. Should be the same for an 03. And yes, on the same side under the hood is another fuzebox for your lights and signals etc.
The spark plug gap should be posted on the emissions sticker under the hood. The gap setting posted on the sticker is good for all brands and types of plugs for your vehicule
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