![]() If your fuel pump is not functioning correctly, you may notice your engine sputtering at high speeds. Long cranking times and the Grand Cherokee running irregularly are other possible indicators of a failing fuel pump.īy being attentive and catching these issues early on, you can address them appropriately and keep your vehicle running smoothly. If you find your car struggling to start or losing power, this could also indicate a fuel pump problem. StallingĪnother telltale sign that the Toyoat Grand Cherokee’s fuel pump is going out is stalling, often followed by the engine restarting after several minutes. After it has primed, you may hear a high-pitched whining noise, which can indicate a fuel pump that is failing. The sound clip above is a fuel pump priming. Here, we’ll discuss three key indicators that your fuel pump might be failing. When determining if your Jeep Grand Cherokee’s fuel pump is going bad, there are a few common symptoms to look out for. Identifying Bad Fuel Pump Symptoms Typical Fuel Pump If your Grand Cherokee’s check engine light is on, and it has code P0087, there’s a lack of fuel pressure, and you’re on the right track. ![]() Running low or out of gas can damage a fuel pump and shorten its life. ![]()
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