Another tick could be from an exhaust manifold leak. ![]() Injectors ticking are not a problem and you can drive with confidence. It should sound like a sharp pencil tapping on a desk and be very rhythmic. Some vehicles, like many Subarus, have injectors that you can actually hear opening and closing at idle. Your fuel injectors are small electrical valves that open and close very quickly allowing a certain amount of fuel to be injected with the air your engine is drawing in. If you have a fuel injected car one of the ticks you could be hearing could be your injectors firing. First, let’s talk through some ticks your motor may have that aren’t a problem. The tick in your engine could be normal based on the design of your engine or could just be from normal wear from your engine running. ![]() ![]() Things like bad bearings or worn out accessories will usually make whirring or whining noises as they rotate while reciprocating components like your pistons, rods, valves, and pushrods usually make ticks, clunks or ratcheting type sounds. The first thing to realize if you have a tick in your engine is that it is likely due to one of the reciprocating components rather than a rotating component. Why is My Car Making a Clicking or Ticking Noise? In this article, we’re going to talk through why your car’s engine makes a ticking or clicking sound, what the problem might be, and how to repair it. Engines can make all sorts of noises from humming to screeching, or clunking and clicking noises when turning. There are all sorts of things in motion from engine parts, rotating shafts, to pistons and valves, not to mention explosions, so it’s surprising your engine isn’t louder. Engines can make all sorts of funny sounds, and honestly, we shouldn’t be surprised when they do.
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