Can A Bad Vvt Solenoid Cause StallingCould a bad VVT system cause a start stall, from my understanding VVT is only valve overlap so while it might reduce power I have never seen an engine not run. What does a bad VCT solenoid do?. Here are the most common causes of the P0014 trouble code: Incorrect. Vacuum leaksare a common cause of rough idling, stalling, and other engine performance issues. The most common cause of the P0014 is a faulty VCT or VVT valve solenoid, which controls the camshaft timing adjustment. VVT Problem – The variable valve timing associate with the 2. The way to keep solenoid operate with optimal performance is to keep oil clean. remove the cam sensor bolt and the 3 bolts that hold the solenoid all 10mm. Pre-ignition is severely damaging, so you shouldn’t drive your car if its engine is knocking. How much does it Cost to Replace a Variable Valve Timings. This is engine stalling and it can happen quite frequently when you have a bad crankshaft position sensor. A bad or faulty connected VVT solenoid can and often does cause engine knocking, inconsistent idle and acceleration problems. My engine bay is also pretty dirty due to living on a dirt road, so corrosion made sense in my mind. If your oil is dirty, sludge can clog the screen on the solenoid, causing a failure. Mismatched fuel delivery and ignition timing, even if off by a few milliseconds, will cause your vehicle to sputter, accelerate. “B” refers to the exhaust camshaft. Ignoring the fluctuations in RPM can cause the engine to show signs of wear and tear early. How much does it cost to replace a VVT solenoid? The average cost for replacing a failed Variable Valve Timing Solenoid ranges from $325 to over $700 depending on whether or not the oil control valve needs to be replaced. The engine RPM will fluctuate which can directly result in a reduction of power generated by your car. Occasionally the faulty is caused by the screen is stuck with dirt. Any debris or dirty in the oil will cause the stuck of OCV and VVT. The solenoid is very important to your Chevy Equinox and deserves attention. A malfunctioning VVT solenoid can prevent the valve timing from advancing or retarding as needed. This will cause poor performance and possibly stalling out. This means you may experience an unexpected shifting to a higher gear, thereby. When the solenoid goes bad, excessive oil will be introduced to the VVT gears, and this causes the engine to have idle rough. This is probably the most common symptom, and can be an indication that the solenoid has failed completely. There are several other problems that may occur when a VVT solenoid is wearing out or has broken that may extend to complete engine failure. Yes you have two. Can a bad VVT cause engine knock? Yes. Both can make a starter solenoid to malfunction and cause starter system problems. Stalling engine; Causes of the P0014 Code. #5 – Engine Stalling You may be driving along one day and have your engine suddenly stop running. Problem Description The variable valve timing camshaft actuators may stick due to dirty engine oil or a faulty control solenoid. More commonly known as flooding, over-fuelling wets the spark plugs and they aren’t able to ignite the fuel in the cylinder. This is probably the most common symptom, and can be an indication that the solenoid has failed completely. Vvt alters the valve lift/duration allowing the engine to have multiple performance profiles. It’s as if somebody suddenly turned off the ignition. Can a bad VVT solenoid cause stalling? But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. Has anyone ever seen a car not run due to bad VVT. A bad or faulty connected VVT solenoid can and often does cause engine knocking, inconsistent idle and acceleration problems. As your starter solenoid goes bad, you might hear the clicking sound and the slight movement in the starter solenoid happening, but you won't see a corresponding. If the VVT solenoid fails, the engine will often run roughly or stall. Can a VVT cause stalling? 1 Answer: Alan Mentor Engine timing – it is common for engine stalling to occur due to an improperly aligned or failing timing chain or timing belt. In some older Honda vehicles misfiring can be caused by valves being out of adjustment. 4 L engines and they explain in detail how they sourced this particular drivability pr. If the VVT solenoid in your car is faulty, it can cause the engine to idle rough. If the VVT solenoid in your car is faulty, it can cause the engine to idle rough. Under normal conditions, the VVT system activates at higher RPMs or when under load bearing conditions such as driving up a hill. 6 gdi man I can't get to anything in this car it's all covered up. Can a bad VVT solenoid cause car to stall? #1 - Rough Idle But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. If there is a VVT issue, it’ll often throw trouble P0010, P0011, or other related trouble codes. Would a bad or faulty vvt solenoid cause the engine to kn. The main purpose of the VVT solenoid is to adjust the camshaft timing so you will have effective and smooth engine operation at all different RPMs. A VVT solenoid is a critical component of the engine’s oil control system and if it fails, it can cause significant damage to the engine and even lead to an engine. A rattling noise from the engine is also a reason to check on your Chevy solenoid. pull water pump back and collect two gaskets, you don't have to remove heater or coolant hoses. Bad VVT timing results in the flow of additional oil to the engine. The most common cause of the P0014 is a faulty VCT or VVT valve solenoid, which controls the camshaft timing adjustment. The car runs fine even with a bad exhaust solenoid, no hesitation, stalling, etc. When the solenoid goes bad, excessive oil will be introduced to the VVT gears, and this causes the engine to have idle rough. As a result, the engine may exhibit performance problems, such as rough running and poor acceleration. A lack of oil in the actuator can cause a rattling noise in the engine due to friction. an unstable idle, stalling, lack of power, and decreased. Here are the most common symptoms of VVT solenoid failure: Check Engine Light (CEL) activated -- When the VVT solenoid goes bad, the check engine light (CEL) may activate. P0025 Code: Exhaust (B) Camshaft Position Timing Over. Symptoms of a Bad Variable Valve Timing Solenoid …. The engine may start knocking and pinging if one or both of its VVT solenoids fail. More About Vvt Solenoid Symptoms • Can a bad VVT cause engine knock?. In addition to the VVT solenoids that are worn out or broken, there are other problems that can occur when the engine fails due to a broken VVT solenoid. bad vvt Solenoid Symptoms & how to fix bad oil control ">What's bad vvt Solenoid Symptoms & how to fix bad oil control. Bad actuator solenoid In cases where your cat engine fails to start at all or stalls and won’t restart, it’s an indication of a faulty actuator solenoid. When the solenoid goes bad, excessive oil will be introduced to the VVT gears, and this causes the engine to have idle rough. Can a bad VVT solenoid cause car to stall? #1 – Rough Idle But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. A bad VVT solenoid or oil control valve can cause a check engine light on your dashboard as well as other symptoms such as rough idle, rough acceleration, and increased fuel consumption. Solenoid (6 Symptoms)">Problems with Chevy Equinox Solenoid (6 Symptoms). A faulty VVT solenoid can prevent the VVT actuator from getting the oil pressure it needs. A bad VVT solenoid or oil control valve can cause a check engine light on your dashboard as well as other symptoms such as rough idle, rough acceleration, and increased fuel consumption. Bad exhaust VVT solenoid causing excessive oil burning?. A bad AT sensor may cause the same symptoms when bad. Symptoms of a Failing Camshaft Position Sensor. Vacuum leaks, as well as a stuck-open EGR valve or purge valve (solenoid) can cause misfiring that mostly happens at idle, but goes away at higher rpms. Symptoms of a Bad or Failing Variable Valve Timing (VVT. The most common cause of failure for both the VVT switch and the VVT solenoid is a lack of basic maintenance. Assistance Needed: VVT Issues, Stalling, Loss of Power">Assistance Needed: VVT Issues, Stalling, Loss of Power. What Can Happen When An Engine’s Variable Valve Timing Fails?. Ford) have technical service bulletins (TSBs) for this concern. The most common cause of failure for both the VVT switch and the VVT solenoid is a lack of basic maintenance. If your oil is dirty, sludge can clog the screen on the solenoid, causing a failure. You can troubleshoot the coolant temperature sensor at home using a digital multimeter. How to Fix a Faulty VVT Solenoid Valve. To regulate the exhaust camshaft angle, the powertrain control module (PCM) controls the variable valve timing (VVT) solenoid. Symptoms of a Bad or Failing Variable Valve Timing (VVT) Solenoid. What is left to try: - Clean all related electrical contact connections - Check for shorts and/or opens in the harness - Check grounds. When the VVT solenoid is malfunctioning, the entire system can be compromised, which may result in intake and exhaust valves opening and closing at the wrong time. Step 1: Check diagnostic trouble codes. 4 L engines and they explain in detail how they sourced this particular drivability. Can a Bad VVT Solenoid Cause a No. As a result, code P0013 is triggered. A: It is not advisable to drive with a bad Variable Valve Timing (VVT) solenoid as it can cause further damage to other components in the engine and will likely reduce fuel efficiency or power output. Here are the most common symptoms of VVT solenoid failure: Check Engine Light (CEL) activated –- When the VVT solenoid goes bad, the check engine light (CEL) may activate. The first sign of a malfunctioning VVT timing solenoid is inappropriate idling in the engine. If the engine oil level is low, you will also experience problems with VVT operation. This will happen if a VVT malfunction causes the air/fuel mixture to become so lean that it pre-ignites during combustion. The engine RPM will fluctuate which can directly result in a reduction of power generated by your car. This can also cause clogging in the variable valve timing solenoid system, thus. But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. com/_ylt=AwrFOd67KWJkbUU5tSBXNyoA;_ylu=Y29sbwNiZjEEcG9zAzIEdnRpZAMEc2VjA3Ny/RV=2/RE=1684183612/RO=10/RU=https%3a%2f%2fmechanicbase. Stalling → Causes & Diagnosis. Read More: How Important is Timing Chain Replacement & When do You Change a Timing Chain <4 Symptoms of a bad transmission linear solenoid> cause variable valve timing problems in your car> 📱 DM me and let’s talk!. This will especially occur in newer model cars with sensors when the powertrain control module (PCM) detects a problem. When the solenoid goes bad, excessive oil will be introduced to the VVT gears, and this causes the engine to have idle rough. Here are the five most common: 1. When the VVT solenoid is malfunctioning, the entire system can be compromised, which may result in intake and exhaust valves opening and closing at the wrong time. Timing Chain Jumped – If your timing has jumped a tooth or two, it’ll definitely stall out. Most fuel-injected engines use an ECT sensor and an air temperature (AT) sensor. VVT Solenoid Valve Failure Symptoms of a Faulty VVT Solenoid Valve Some of the symptoms that you’ll get when the VVT solenoid valves go bad include an engine that’s running rough, a check engine light that generates trouble codes related to the valves, and a vehicle that stalls in severe cases. Here are the most common symptoms of VVT solenoid failure: Check Engine Light (CEL) activated –- When the VVT solenoid goes bad, the check engine light (CEL) may activate. Read more: Vacuum leaks: common sources, symptoms, repairs. A faulty VVT solenoid can prevent the VVT actuator from getting the oil pressure it needs. If you see dirty engine oil, chances are that the VVT solenoid system is going out of order. When this happens, you may hear a rattling noise or ticking noise from the engine. How do you diagnose an engine stall? Materials Needed. Just know, that if it jumped a tooth, it’s only a matter of time before it jumps more or breaks all of the way. What is Variable Valve Timing (VVT) Solenoid?. A bad solenoid can block the VVT actuator from receiving enough oil pressure. I watched a video on how to get to the PVC and I don't think I have the ability to master that. The engine may start knocking and pinging if one or both of its VVT solenoids fail. A failing camshaft position sensor begins losing its ability to quickly transfer data. How do you diagnose an engine stall? Materials Needed. Can Bad Engine Variable Timing Solenoid Cause Engine To Fail?">Can Bad Engine Variable Timing Solenoid Cause Engine To Fail?. 4L engine can cause the Equinox to stall. How much does it cost to replace a VVT solenoid? The average cost for replacing a failed Variable Valve Timing Solenoid ranges from $325 to over $700 depending on whether or not the oil control valve needs to be replaced. Can a bad VVT solenoid cause car to stall? #1 – Rough Idle But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into. The actuator solenoid has to open and close the engine’s intake valves. You will notice the RPM fluctuating whenever the VVT system is activated. Since your misfires are all on bank 2 (drivers side) a bad vvt solenoid can be the cause. If the engine oil level is low, you will also experience problems with VVT operation. The rough idling of the engine can cause some components to wear out prematurely. This is usually seen in the form of RPM fluctuations. What happens when variable valve timing fails?. The most common cause of failure for both the VVT switch and the VVT solenoid is a lack of basic maintenance. A faulty fuel pump or incorrect timing can cause this. Bad wiring instances include terminals that are left loose or connected the wrong way. If the VVT solenoid in your car is faulty, it can cause the engine to idle rough. A bad or faulty connected VVT solenoid can and often does cause engine knocking, inconsistent idle and acceleration problems. Bad or failing camshaft variable timing solenoid Bad or failing variable valve timing actuator; Low engine oil levels; Engine oil is incompatible with the manufacturer’s requirement for the engine; Worn timing chain; Failed timing chain guide or tensioner; Contaminated engine oil obstructing the VVT solenoid screen; NOTE: this is a common. Can a bad VVT solenoid cause stalling? But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. It can also be caused by a faulty camshaft position sensor, a faulty timing chain, or a timing tensioner. How Much Does It Cost To Replace A Vvt Solenoid? Here we will show you how the replacement process will work. Here are the most common symptoms of VVT solenoid failure: Check Engine Light (CEL) activated –- When the VVT solenoid goes bad, the check engine light (CEL) may activate. More About Vvt Solenoid Symptoms • Can a bad VVT cause engine knock?. Bad VVT timing results in the flow of additional oil to the engine. SYMPTOMS OF BAD VVT SOLENOID ON KIA OPTIMA. This causes the car to rev when idling. In the absence of proper lubrication, the VVT solenoid may fail or be blocked, causing premature wear and breakdown of the timing chain and gear. The code is for Intake Camshaft Position Actuator Solenoid Valve Control Circuit. A bad variable valve timing solenoid will cause the Check Engine Light to illuminate because it is not allowing enough air into the combustion chambers. One of the most common problems found when diagnosing a VVT system malfunction is low oil pressure or low engine oil level. If the VVT solenoid in your car is faulty, it can cause the engine to idle rough. AdvertisementsAdvertisementsThis article will help you determine if a VVT solenoid can leak oil?AdvertisementsAdvertisementsVVT solenoid is a special valve in the. Obviously, low engine oil pressure can cause catastrophic engine damage in addition to adversely affecting the VVT system. If your oil is dirty, sludge can clog the screen on the solenoid,. 6r Misfire issue I’m clueless. You can alternatively download free SSM software and buy a cable and use your lap top to read it yourself. My fear is the PVC system that is causing the high oil consumption. Could a bad VVT system cause a start stall, from my understanding VVT is only valve overlap so while it might reduce power I have never seen an engine not run due to bad actuators. remove 6 10mm bolts holding water pump on. This will especially occur in. If you’re having camshaft issues (check engine light on, acceleration trouble, sputtering and stalling, etc. A malfunctioning VVT solenoid can prevent the valve timing from advancing or retarding as needed. The issue could be with the solenoid itself or the electrical harness connected to the VVT. Sometimes engine oil can clog the VVT solenoid, which affects its performance. If the IAC motor has failed and stuck close, you'll see the same symptoms. You will notice the RPM fluctuating whenever the VVT system is activated. A bad solenoid can block the VVT actuator from receiving enough oil pressure. Can a bad solenoid cause car to stall? Faulty Idle Air Control (IAC) Solenoid Without enough air during idle, the engine stalls. Can a bad solenoid cause car to stall? But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. In newer cars, the variable valve timing systems are common causes for engine stalling. It causes a misfire that can cause the engine to stall. Even though you may technically be able to continue driving with a bad VVT solenoid, the issue can cause damage to additional parts, such as the VVT actuator. Stalling engine; Causes of the P0014 Code. When the solenoid goes bad, excessive oil will be introduced to the VVT gears, and this causes the engine to have idle rough. All this makes me think I've got a bad VVT solenoid as the OP of that thread states. Specially, engines equipped with a mass air flow (MAF) sensor are prone to stall when idling with a vacuum leak. But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. So obviously that dirty oil is the main cause of bad oil valve control. Read More: How Important is Timing Chain Replacement & When do You Change a Timing Chain <4 Symptoms of a bad transmission linear solenoid> cause variable valve timing problems in your car> 📱 DM me and let’s talk!. The engine will misfire or stall. What's bad vvt Solenoid Symptoms & how to fix bad oil control. What happens when solenoid valve goes bad? The most common symptom of a bad VVT solenoid or oil control valve is a check engine light on your dashboard. One of the most common problems found when diagnosing a VVT system malfunction is low oil pressure or low engine oil level. Driving with a bad VVT solenoid can be dangerous, as it may cause the engine to fail unexpectedly or even stall during operation. You will notice the RPM fluctuating whenever the VVT system is activated. There are many symptoms of a bad timing belt. What are the symptoms of a bad VVT solenoid? When a VVT solenoid goes bad, it can cause a variety of symptoms. But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. These are some of the possible issues that can cause a code P0017: Damaged or stretched timing chain or timing belt; Faulty camshaft or crankshaft reluctor wheel ; Bad crank sensor; Bad cam sensor; Loose wiring or connections; Damaged timing chain/belt tensioners or guides; Defective variable valve timing (VVT) actuator (a. How to Fix and Prevent VVT Solenoid Problems on the 2005 to 2010 Pontiac G6. 43K views 3 years ago URBAN AUTOMOTIVE In today's video in and Mike discuss a common problem with the Chevy 2. Can a bad VVT cause engine knock? Yes. 5 Symptoms Of A Bad Oil Control Valve – VVT Solenoid. Can You Drive with a Bad VVT Solenoid? Even though you may technically be able to continue driving with a bad VVT solenoid, the issue can cause damage to additional parts, such as the VVT actuator. SYMPTOMS OF BAD VVT SOLENOID ON KIA OPTIMAIf you have Kia Optima and you want to know the symptoms of bad PCV valve on Kia Optima we will explain that in thi. What are the symptoms of a bad VVT solenoid? When a VVT solenoid goes bad, it can cause a variety of symptoms. The issue could be with the solenoid itself or the electrical harness connected to the VVT. There are many symptoms of a bad timing belt. A faulty VVT solenoid can prevent the VVT actuator from getting the oil pressure it needs. a Bad Oil Control Valve (VVT Solenoid)">5 Symptoms of a Bad Oil Control Valve (VVT Solenoid). A bad or faulty connected VVT solenoid can and often does cause engine knocking, inconsistent idle and acceleration problems. Other symptoms may include reduced fuel economy, strange noises coming from the engine, or even stalling. Problems with Chevy Equinox Solenoid (6 Symptoms). If the VVT solenoid fails or is blocked, the lack of proper lubrication can cause the timing chain and gear to prematurely wear or break entirely. If you're having camshaft issues (check engine light on, acceleration trouble, sputtering and stalling, etc. In conclusion, driving with a bad variable valve timing. This is often the cause of the stalling. 4 Symptoms of a Bad Oil Control Valve (VVT Solenoid. It’ll throw trouble P0010 or P0011. After some further reading, there are a few more things to try but I thought I ask here first. You may notice the engine harder to start, idling rough, and, in many cases, stalling. Can you drive with broken VVT solenoid? – Additional Questions Can a bad VVT solenoid cause loss of power?. The engine will misfire or stall. Pre-ignition is severely damaging, so you shouldn’t 5 Symptoms of a Bad Oil Control Valve (VVT …. Pre-ignition is severely damaging, so you shouldn't drive your car if its engine is knocking. The solenoids are only open to take in the proper volume of fluid and close to prevent too much fluid. The biggest issue with this system is they are usually controlled by oil pressure. But with a faulty oil control valve or VVT solenoid, excess engine oil may be. Bad VVT timing results in the flow of additional oil to the engine. Yes, you can drive a vehicle with a bad transmission solenoid. Without proper engine oil pressure,. This will happen if a VVT malfunction causes the air/fuel mixture to become so lean that it pre-ignites during combustion. I'm dealing with 2009 Chevy traverse with 3. If the VVT solenoid fails or is blocked, the lack of proper lubrication can cause the timing chain and gear to prematurely wear or. But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. This is because it fails to adjust the timing of the valves at normal RPMs and idle which creates a loss in power and stalling. The VVT solenoid system performs the best with clean engine oil. Procedure from memory, sensor and solenoid are behind water pump, I'm not big on taking pics sorrygot to get it done once I find the time to do it: 1. com%2fengine%2fbad-vvt-solenoid-symptoms%2f/RK=2/RS=9pfzPUCooI2IQROtg7VMsV6ICNE-" referrerpolicy="origin" target="_blank">See full list on mechanicbase. What's bad vvt Solenoid Symptoms & how to fix bad oil control …. What Can Happen When An Engine's Variable Valve Timing Fails?. When a bad module is responsible for an intermittent stalling problem, the engine will usually cold start just fine and run OK for short distances, but stalls after driving more than a few miles or when driving at highway speeds (especially during hot weather). Therefore, it is recommended that you should not drive with a bad VVT solenoid and get it replaced by a qualified technician as soon as possible. Can You Drive With A Bad Variable Valve Timing Solenoid. This generic powertrain code may be set in vehicles of varying makes and models. The variable valve timing solenoid is located at the front of the engine, typically near the front of the valve cover. Without proper engine oil pressure, the VVT system cannot operate as designed. However, when the parts are replaced at the same time, the average cost ranges from $400 to $1,300. Will a bad VVT solenoid cause stalling? But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. What are the 2015 chevy equinox stalling problems?. There are many symptoms of a bad timing belt. This will happen if a VVT malfunction causes the air/fuel mixture to become so lean that it pre-ignites during combustion. A mechanic with the proper scanner can read the vvt values while driving and make the diagnosis. This is often the cause of the stalling. Bad or failing camshaft variable timing solenoid Bad or failing variable valve timing actuator; Low engine oil levels; Engine oil is incompatible with the manufacturer’s requirement for the engine; Worn timing chain; Failed timing chain guide or tensioner; Contaminated engine oil obstructing the VVT solenoid screen; NOTE: this is a common. In today's video in and Mike discuss a common problem with the Chevy 2. Can a VVT cause stalling?. The engine RPM will fluctuate which can directly result in a reduction of power generated by your car. Poor and hurried wiring lead to either inadequate current supply to the starter solenoid or a more dangerous problem of shorting. Under normal conditions, the VVT system activates at higher RPMs or when under load bearing conditions such as driving up a hill. Rattling Noise From the Engine. When it fails to do this, the engine begins to experience performance issues. The first thing that You will want to check is the throttle body and the mass air flow. What Cause a Failing Variable Valve Timing vvt Solenoid & How to Fix Bad Oil Control Valve? Posted by Candy Lai on May 29, 2020. Indicating Check Engine Light The first sign of a failed oil control valve is usually an engine check engine light. A sticking actuator may cause a rough idle and the check engine light to illuminate. If you don’t replace this sensor soon, your engine will eventually stop working altogether. Table of Contents show What are the symptoms of a VVT solenoid? Rough Engine Idle. There are several other problems that may occur when a VVT solenoid is wearing out or has broken that may extend to complete engine failure. You will notice the RPM fluctuating. Obviously, low engine oil pressure can cause catastrophic engine damage in addition to adversely affecting the VVT system. Here are the most common symptoms of VVT solenoid failure: Check Engine Light (CEL) activated –- When the VVT solenoid goes bad, the check engine light (CEL) may activate. drain coolant by disconnecting lower hose from water pump. Symptoms of VVT Solenoid Failure Vehicle runs rough Sometimes the car stalls Check engine light Causes of VVT Solenoid Failure The VVT solenoid is part of the variable valve timing. Vvt alters the valve lift/duration allowing the engine to have multiple performance profiles. A faulty VVT solenoid can prevent the VVT actuator from getting the oil pressure it needs. Can Bad Engine Variable Timing Solenoid Cause Engine To Fail?. Can a bad solenoid cause car to stall? But with a faulty oil control valve or VVT solenoid, excess engine oil may be introduced into the VVT system which can result in rough idling, stalling, or just poor engine running in general. If the engine is over-fuelling, that can cause it to stall. Can a bad VVT cause engine knock? Yes. How many variable valve timing solenoids are there?. How to Fix a Faulty VVT Solenoid Valve. When the solenoid goes bad, excessive oil will be introduced to the VVT gears, and this causes the engine to have idle rough. Can You Drive with a Bad VVT Solenoid? Even though you may technically be able to continue driving with a bad VVT solenoid, the issue can cause damage to additional parts, such as the VVT actuator. Will a VVT solenoid cause a no start?. Go figure! The Nox has 76,000+ miles on it. The VVT solenoid system performs the best with clean engine oil. Assistance Needed: VVT Issues, Stalling, Loss of Power. The most common cause of failure for both the VVT switch and the VVT solenoid is a lack of basic maintenance. A sign of a failing or defective VVT solenoid is an illuminated check engine light. Vvt alters the valve lift/duration allowing the engine to have multiple performance profiles.