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Left passenger side standing in the front of vehicle.
You don't have a cap on the radiator. The cap is located directly on the coolant bottle
bottom of radiator
It hasn't got one.
thermostat is located under radiator cap!
Pontiac didn't introduce the Sunfire until 1995, so you may be thinking of a Sunbird.
behind the drivers door window
There is no distributor cap on a Pontiac sunfire, only a coil pack. coil pack is located on the back of the engine.
Believe it or not it is located under the distributor cap. If you look at the cap there is a post running alonside it to the center of the cap where the coil wire usually goes.
Try under the oil cap, oddly enough.
to the left of cap wiring plug ins one space.
it doesnt have a distributor cap. it has a coil pack AND...the coil packs are located under the cover on top of the engine.