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well, 125psi across the board is very low. Stock is around 185psi. Anything below 150psi would be considered poor. Try pouring a little 10w30 in each spark plug hole, then run a compression check with the oil in the cylinder. If the compression jumps, your rings are toast. if it stays the same, you need a valve job, or you have a blown headgasket, or cracked head. Take off your valve cover, and see if there is any milky residue in the head, and valve cover. Also, when you start the car, pull the radiator cap before it warms up, and see if you notice any bubbles in the radiator. Also, does your engine have a MAP sensor? It could have moisture caught in it, and it could be sending out bad readings.
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