Whenever you’re dealing with electrical parts it’s a good idea to take safety precautions. You will have to detach the spark plugs from the vehicle and inspect them outside. This is slightly trickier than simply lifting the hood and having a good look at a part. Solution: You will have to take a closer look at the spark plugs. It’s quite common that your ignition coils are absolutely fine, but the spark plug can be malfunctioning or worn out. If this doesn’t happen for any reason, then the ignition coils won’t receive the energy they are supposed to. The spark plug has an electrode gap that is supposed to transmit voltage. If there is any issue with the voltage transmission, then the job will not be done. You have to primarily understand that ignition coils are electric. If your coil isn’t sparking, you’re likely having trouble starting your vehicle. Spark loss directly impacts the ignition. We recommend you check out our article on this separate issue here. However, if you’re facing the issue of your vehicle sputtering before it starts, this could be connected to the coils as well. Here are some of the causes for no spark from your 5.7 Vortec Coil: Why is there no spark from my 5.7 Vortec Coil? In fact, you almost never have to call a mechanic and can fix a lot of the spare parts (such as coils) by yourself. Arguably the best part about this engine is that any of the parts are very easily found and replaceable. The 5.7 Vortec is a well-performing and reliable engine that is used in GMC and Chevy trucks. Not only is it very inefficient to have a malfunctioning coil, but it can also be dangerous. No matter what the reason is, it’s ideal that you start working on diagnosing and repairing the issue immediately. If your vehicle isn’t starting because there’s no spark from the coil, you might have a couple of issues like 5.7 Vortec no spark from coil. It provides the spark which causes your ignition to start. The coil is one of the most important parts of your vehicle.
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