How to Identify Issues in Your TCI 376015 Valve Body
- total performance
- Sep 8, 2022
- 2 min read

If you are experiencing any problems with your TCI 376015 valve body, it is important to identify and correct the issue as soon as possible. This guide will help you identify the most common issues and how to correct them.
How Do I Know if My TCI 376015 Valve Body is Bad?
If your engine has started exhibiting unusual symptoms or showing any signs of a problem, you will likely notice a difference in performance and efficiency. Common signs of a faulty valve body include:
Reduced power/performance - This symptom typically manifests in the form of reduced power and responsiveness from the engine. The engine may perform worse than normal when driving at low speed or climbing hills. This is likely due to decreased output from one or more cylinders due to one or more valves being stuck open. The check engine light will illuminate on your vehicle’s dashboard to indicate that a code has been triggered indicating a problem with the engine.

Knocking - When an engine operates properly, it produces what is called “knock” which is a high-pitched sound produced when the air-fuel mixture burns too rapidly. When the knock occurs, it means that too much fuel is being burned in one cylinder and the mixture is not being ignited properly. This usually indicates a leak in the valve cover gasket, which is allowing air and fuel to mix. However, it may also indicate other issues such as poor combustion. If you notice any knocking or pinging sounds coming from the engine, you should take your vehicle to a technician immediately to have them diagnose the problem.
Hard Starts - An engine hard start means that the engine is unable to start on its own and must be started manually. This may be due to a stuck intake valve which causes the air/fuel mixture to be unable to flow into the combustion chambers. The check engine light will illuminate on the vehicle’s dashboard to inform you that the engine has failed to start and requires manual assistance. It is important to take your vehicle to a mechanic as soon as you notice these symptoms as the problem will only worsen over time. They will be able to diagnose the problem and make the necessary repairs to return the vehicle to proper working order.
Oil Leakage - If your car suddenly starts leaking oil while the engine is running, it is likely that the gasket needs to be replaced. Gaskets are meant to create a seal between the engine block and the cylinder head to prevent leaks from occurring. Over time, they become damaged and may need to be replaced in order to stop the oil from leaking. Leaving the leak unaddressed can result in damage to the engine and result in costly repairs. It is always best to take your vehicle to a mechanic to have the problem diagnosed and fixed quickly to prevent further damage.
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