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Since there is more than one engine, this question is vague. BClear. I assume you have a 2.3 quad four motor. If so, the plugs are no visable from the outside. On the top of the motor there is a housing cover that needs removal, After taking the retaining bolts off, the cover will pull out. This cover has a module and 2 coil packs attached to it. The coils are under the coil housing and the housing has 4 boots attached to it. REPLACE the boots when you do the plugs. USe dielectric grease when you replace them as well. After you reassemble the motor and still have a miss, suspect the coil housing the ;). pukenstein@aol.com

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18y ago
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Q: How do you change spark plugs on a 1994 Pontiac grand am?
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