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2001 Corolla Ticking

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My 2001 Corolla recently developed a ticking sound coming from the top end of the engine, listening to the top of the engine with a stethoscope I was able to figure out that the ticking is loudest at one of the injectors, does that sound like an issue with the injector itself or with the valves for that cylinder? the engine has no other problems and runs great other than the ticking sound


Some injectors click loudly... If that's your only problem I'd ignore it.


... or try swapping the injector to another cylinder and then see if it's the valve or injector.


PS> Testing. Please let me know if you find any problems with the site.