However, with proper maintenance, oil-based issues may not affect VVT systems unless there’s a manufacturer’s fault. This happens when you install a low-quality aftermarket filter, which may affect oil pressure. However, the oil filter can be the culprit. That said, it takes a severe or extended leak for the low oil pressure issues to become apparent. It is pretty easy to check oil levels, but system leaks cause low oil levels. Since VVT relies on oil and pressure to function optimally, a low oil level can cause the onboard computer to register trouble code P0014. Here are other fault codes that show malfunctions on the exhaust variable camshaft valves. Visit a mechanic for a professional diagnosis and fix. If, after performing the above diagnosis and the fault persists, you may have internal engine issues. If there’s no click or movement, change the valve and test drive the car to see the outcome. If the valve is functioning correctly, it’ll make a click sound, and the valve may move either way. Transmit power and ground to the solenoid via a pair of fused wire jumpers. You can carry out this test by unbolting the camshaft oil control valve and testing it with a wire jumper. If the engine is clean from buildup, test the camshaft oil control valve exhaust bank 1 for good working condition. If there is sludge buildup, you will need to drop your engine and flush it because there will be deposits blocking the oil galleries. Unbolt the valve cover and check if there’s engine sludge. And if it is old, dirty, or a wrong viscosity type, change it and install a new filter, and test run to confirm it has solved the problem. If the oil is below the specified level, top it with new oil and test run the vehicle to ensure you solve it. Run a scan check and see if another fault code accompanies P0014, and erase the engine warning light with a scan tool.Ĭheck the motor oil level and condition via the oil dipstick. It’s always better to tackle problems at the initial stage because you’ll require less labor, less damage, and, of course, less money. Hence, it’s essential to drive down to a nearby mechanic garage when you notice a rattling noise from your engine, in line with any other symptoms above.Īre you seeing mild signs and considering ignoring the problem? If that’s the case, you will fail the next smog test, and that means you’ll still fix it again. However, one should be concerned about the causes and not the symptoms.Ī lousy timing chain can be a serious issue because, if it breaks, it will cause catastrophic damage to the internal engine components.Įven while it is still running, if it runs loose or jumps a tooth, making it advanced, it’ll damage related parts and drop an expensive repair bill on the table. To be specific, hard starting, engine misfiring, and stalling are severe problems for most car owners.
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