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Why is your 96 Pontiac fire bird 38L suddenly making lots of valve noise at start up like an engine with no oil but goes away and sounds runs fine after warm up any ideas Oil pressure is fine?
Wiki User
∙ 15y ago
It seems it may have been bad gas. After some gas treatment and an oil change it gradually improved in three or four days and then stopped completly.
Wiki User
∙ 15y ago
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