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What happens when the crankshaft position sensor on a 93 Ford Taurus sho goes bad?

A bad crankshaft position sensor (CKP) on a 1993 Ford Taurus SHO will prevent the engine from starting or running properly. Here's a breakdown of what you might experience:

* No Start: This is the most common symptom. The engine's computer (PCM) relies on the CKP signal to determine the engine's rotational speed and position to initiate the ignition sequence. Without this signal, the engine won't fire.

* Intermittent Starting/Running: The engine might start sometimes and then die unexpectedly, or run rough and stall. This indicates a faulty sensor that's providing an intermittent or inaccurate signal.

* Rough Running: If the engine does start, it will likely run very poorly. It might misfire, hesitate, lack power, or stall easily. This is because the timing is off, or the fuel injection system is not getting the proper information from the CKP.

* Check Engine Light (CEL): The CEL will almost certainly illuminate, usually with a code related to the crankshaft position sensor circuit.

In short, a failing CKP sensor on your 93 Taurus SHO will severely impair or completely prevent the engine from functioning. It's a crucial component for engine operation. If you suspect this is the problem, it's best to have it diagnosed and replaced promptly by a qualified mechanic.

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