Which symptom is NOT typically associated with an engine's timing being off?

C fluctuating oil pressure is not typically associated with an engine's timing being off. When timing is off, it mainly affects the synchronization between the crankshaft and camshaft, leading to issues with air-fuel mixture entry and exhaust gas expulsion. This can cause symptoms like rough running due to inadequate combustion, backfiring due to ignited fuel in the intake manifold, and difficulty starting the engine as the timing plays a crucial role in the ignition process.

On the other hand, oil pressure is influenced by factors such as oil level, the condition of the oil pump, the integrity of the oil channels, and the overall lubrication system of the engine, rather than the timing of the engine's cycle. Therefore, while the other symptoms directly relate to timing issues, fluctuating oil pressure is linked more closely to the engine's lubrication system rather than its timing alignment.