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For a better experience, please enable JavaScript in your browser before proceeding. Check engine control systems with a scan tool. On thread-mounted units, use 1 1 / 4 in. Terms of Service - One of many pickup coil configurations (integrated in the assembly) used in vehicles. You might also notice that the bad crankshaft sensor causes stalling, trouble starting, and added vibration. Photo courtesy of Killua.V8 on Wikimedia. 300k miles Does anyone know how to fix this? fluctuate, as the computer tries to compensate, causing the engine to surge. Step 1: Physically inspect the fuel filter. Additional symptoms include misfiring and trouble to start the engine. When any one of an engines carefully controlled parameters deviates from what the Electronic Control Module expects, it will automatically adjust air intake, fuel injection and spark plug timing to get everything back to how it should be. Any devoted car owner, despite not being a total gear head, must understand and pay attention to his engines wellbeing at all times, as many issues can affect this delicate and complicated component. Car Surging When Accelerating? Here's What You Should Do! If this is indeed the case, then your mechanic will likely recommend cleaning out or replacing your air filter in order to resolve this issue. Another possible cause for surging in your Chevy truck could be due to a clogged air filter. It may also be necessary for you to replace any other components that are related to the fuel injection system such as spark plugs or ignition coils. When you count on a broken or degraded catalytic converter, it can translate into power loss. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. Finally, the engine sparks when this fuel mixture goes through the pistons. In order to accurately diagnose the cause of surging in your Chevy truck, it is best to take it to an experienced mechanic who has worked on these types of vehicles before. Sometimes, doing due maintenance on an engine system can fix engine surge. When these sensors go bad they can omit false information causing the computer to make incorrect adjustments which produce an engine surge. ), and check the battery cables. When your car is idling, there shouldnt be any surging or fluctuating, either. A weak ignition spark can be caused by many possible problems in the ignition system, including faulty distributor cap, rotor, wires, spark plugs and coil packs.