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If the crank position sensor is bad on a 1993 Jeep Cherokee will it cause both no spark AND fuel pump operation?

Yes, a bad crank position sensor (CKP) on a 1993 Jeep Cherokee can absolutely cause both no spark and no fuel pump operation. The CKP sensor is crucial for the engine's computer (PCM or ECM) to know the engine's rotational speed and position. Without this information, the PCM won't trigger the ignition system (no spark) and often won't activate the fuel pump relay (no fuel pump operation). The PCM needs this information to time the injection of fuel and the spark. The system is designed to prevent operation without it to avoid damage.
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