Q: intermittent starting problem. Is there a sensor that allows fuel to the rails? on 1997 Buick LeSabre

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97 Buick LaSabre. Usually has the problem in the morning or when it is really cold.
(1) Answer
Yes there is more than one sensor! However there are more possibilities, best to leave it with your mechanic so a scan test can find what the problem is with cold start.