Oil control valve is a vital part of every engine that is fitted with Variable Valve Technology. In addition, there are also many other inevitable benefits of using oil control valve such as efficient fuel consumption, reduce gas emissions generated by the vehicle, and improve engine performance. However, its failure can sometimes cause the problem.
Therefore, to know about the failing oil control valve symptomsit is crucial to understand the basic functioning of it, beforehand. This component has its own significance in any automobile smooth operation. Being regulated by engine control module, it is also known as engine oil solenoid valve.
If the oil does not reach inappropriate amount, it may hamper the normal functionality of the engine. Hence, oil control valve must open and close at the right times to lubricate the camshaft. In fact, it decides when to prevent the oil from entering or, let the oil goes out.
There are certain symptoms, which needs immediate attention for repair, and smooth functioning of oil control valve. Some of them include:. Thus, causing the engine to over-perform and use more oil. Moreover, the exhaust valves would also open and close at the wrong time, which in turn would lead to more expenditure on gas.
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Eventually, it would also damage the other internal components of the engine alongside drastically reducing the fuel economy.
One can check for this, by accelerating the car and noting the time taken to reach the desired speed. For ensuring the flawless and superlative oil control valveone must consider the variable valve timing system of the car. It generates the power required by the vehicle, which activates automatically when the RPM is higher than the normal. Even when the load on the car is more, especially on the upper hill road, it stimulates. In this regard, if the Variable Valve Timing Solenoid is impaired, it can bring fluctuation in the revolutions thus, reducing the power of the vehicle.
Now, the question arises why this happen?Inspection 1. Turn the ignition switch OFF. Disconnect the OCV connector. Measure resistance between the OCV terminals 1 and 2. Check that the resistance is within the specification. Turn the ignition switch OFF and disconnect the battery negative - cable. Remove the OTS A. Remove the installation bolt Cand then remove the valve from the engine.
Climate Seat: Description and Operation Description The system uses a FAN under the seat to help remove the moisture and warmth from occupants and surface of the seats. It pulls in cabin air through the blower installed under the seat Note that internal damage may occur when the component is dropped.
If the component has been dropped, inspect before installing. Fuel Pressure Control Valve: Description and Operation Description Fuel Pressure Regulator Valve is installed on the high pressure fuel pump and controls fuel flow flowing into the injectors in accordance with the ECM signal calculated based on var Other Information: Climate Seat: Description and Operation Description The system uses a FAN under the seat to help remove the moisture and warmth from occupants and surface of the seats.
Remove the installation bolt Band then remove the valve from the engine. Install the component with the specified torques. Apply engine oil to the valve O-ring.
Installation is reverse of removal. CVVT oil control valve installation bolt: 9.Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type.
This system controls the intake camshaft to provide the optimal valve timing for every driving condition. As result, the relative position between the camshaft and the crankshaft becomes optimal, and the engine torque improves, fuel economy improves, exhaust emissions decrease under overall driving conditions.
Get Access to Factory Service Manuals. Need more help? Get the P Kia code diagnosed by a professional: Find a repair shop in your area. Related Information. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P Kia code? Have you replaced any parts? Any information is appreciated.
Repair Importance Level: 3. Why is the Engine Light ON? Home - About AutoCodes. Posted and Edit by AutoCodes.The VVT or variable valve timing is and always will be one of the most noted breakthroughs in the history on automotive innovation. In modern cars VVT systems are used for improve performance and fuel economy by altering the valve lift event. This is what allows just the right amount of oil supply, this allowing the engine to give great and fuel efficient performance.
It is a system that uses electronic technology to apply variable electronic systems through a variable valve timing solenoid. In case this VVT solenoid goes out of order, improper lubrication can cause a lot of damage and disruption to the gear and the timing chain. Here are the symptoms that you must look out for to know that the VVT solenoid is failing or is not functioning well:.
This is the thing about modern cars that the ECU or engine control unit starts to warn you as soon as it finds some problem in the engine. It can, in fact, practically monitor all the individual parts of the car. So, in case of an impending variable valve timing solenoid failureit is due to war you with check engine light. If this happens, you must contact your car service provider and have an ASE certified mechanic check it. They can certainly help you diagnose the problem and reset the check engine lights.
This is one of the variable valve timing solenoid symptoms that are also the cause. The VVT solenoid system performs the best with clean engine oil. When the oil has a lot of impurities, it loses viscosity.
This can also cause clogging in the variable valve timing solenoid system, thus also clogging the chain and the gear. If you see dirty engine oil, chances are that the VVT solenoid system is going out of order.
The passing of additional oil to the VVT gears is a possibility if the system is not working properly. This very phenomenon manifests itself in the rough idling of the engine. When this symptom is ignored, it can cause premature wearing out of the engine. The function of the VVT is to control the open and shut timing of the valves so as to maximize fuel economy. Any malfunction here can cause wastage of fuel or dip in performance.
If you notice decreased fuel economy, chances are that the variable valve timing sensor or some other part of the VVT system is failing.
Now that you know what all symptoms indicate variable valve timing solenoid failureyou must also know that it is imperative to replace a faulty VVT solenoid. Once you have diagnosed a problem in the variable valve timing solenoidit is best that you either get it replace or do it yourself.
Not doing so can cause totally unpleasant results like plummeted engine performance, untimely wear and tear of the engine, and visibly decreased fuel economy. You can replace it in 10 careful steps. Start by raising the hood and keeping it secured so that it stays up. If there is an engine cover, go ahead and remove it. The latter will be either secured with nuts and bolts or snap fastened.
In both cases, it is pretty easy to undo it.Visually inspect the related wiring harness and connectors.
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Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type.
There is no variation in valve timing of the exhaust cam because the exhaust camshaft is driven by the timing belt. The timing of the intake cam is varied by the relative operation the CVVT vane to the housing.
The deviation of the camshaft position from the target point is evaluated during stable driving condition. The target camshaft position is predetermined value depending on engine speed and throttle angle in the ECM. Get Access to Factory Service Manuals. Need more help? Get the P Kia code diagnosed by a professional: Find a repair shop in your area.
Related Information. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P Kia code? Have you replaced any parts? Any information is appreciated. Repair Importance Level: 3. Why is the Engine Light ON? Home - About AutoCodes. Posted and Edit by AutoCodes.An oil control valve also referred to as a VVT solenoid is an important component of a vehicle with a variable valve timing VVT system. The existence of the system aims to control the performance of the engine utilizing two methods to retard and advance camshaft angle.
The oil control valve, in this case is controlled by the engine control module or commonly referred to as ECM. The oil control valve is responsible for opening and closing the camshaft at the right time.
In general, an oil control valve has several functions that are vital. These include: saving fuel usage, reducing gas emissions generated by the vehicle, and improving engine performance as efficiently as possible. Below, we go over 3 common symptoms of a bad oil control valve so that you can better diagnose if this component is the cause of your problems in your variable valve timing enabled engine. As already mentioned, the main purposes of variable valve timing is to make sure that the valves open and close at the right time to boost engine performance as well as to reduce the consumption of fuel.
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If the VVT solenoid stops working, the whole system may be compromised, in which may result in intake and exhaust valves opening and closing at the wrong time. This in turn can cause a drastic reduction in how many miles you can travel per gallon of fuel. The next thing that you need to consider is the VVT system on your vehicle. If the VVT solenoid in your car is faulty, it can cause the engine to idle rough. The engine RPM will fluctuate which can directly result in a reduction of power generated by your car.
Although there are many other causes for rough idling, a failing oil control valve should be considered on cars equipped with VVT technology. Oil is almost always the main cause of a VVT solenoid going bad.
Most often, old oil is the culprit. As oil goes through an engine, over time, the combination of heat and small impurities cause the oil to thicken.
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