Saturday, September 12th, 2020 AT 6:10 PM KASEKENNY1 EXPERT; Sounds like the engine is about to throw a rod. no codes. The heat was in the upper 90s and the humidity was high. For a better experience, please enable JavaScript in your browser before proceeding. Regardless of what happened with the oil, a flashing check engine light (CEL) almost always means there is a problem with a cylinder firing (spark is not igniting … Register on our forums to post and have added features! No shaking. Category: Ford. Understanding what makes this light go on or flash can save you thousands of dollars in repairs. The van started just fine. Malfunctioning Emission Control System Along with the catalytic converter problem, the blinking of the check engine light could also point towards a problem in the emission control system of the engine. My check engine light on my instrument cluster has an issue staying on. The pros have the expertise that will be important in determining the actual cause of the problem and they know the best things that can be done to have the perfect solution. This makes it possible to correct the mixture of oxygen and fuel that is used by your vehicle. It has the main purpose of determining the amount of air that enters the engine. Do not ignore such a problem to make sure that the engine will deliver its peak performance all the time. If it is flashing, this is an immediate concern, which means that you should immediately pull over and deal with the problem. Don't miss out on all the fun! While it is a rugged component, it can still be prone to wear and tear. It has been going on briefly when starting the engine for a few weeks but this morning it was slowly flickering on and off after a few miles particularly when changing speed. Other Issues: Flashing Check Engine Light- GMC Yukon. It's not flashing, it's flickering as if there was some bad connection. When the light comes on, one or more diagnostic trouble codes are stored in the car's computer. And am hoping for some support. Do not ignore this warning as this can compromise the performance of your car and more importantly, your safety. These codes will stay there even if the light … If you have VVT, it may be having issues. The emission control system contains an array of sensors that work to reduce the amount of pollution released into the air. 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A blown catalytic converter – a repair that can cost $2,500 or more – is one result of driving a vehicle with a flashing check engine light. While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Explorer’s ignition system or fuel system (as stated above), there are other issues that can cause it. Replacing this sensor will make sure that the engine will deliver its peak performance. And the check engine light kept flickering but once he hit the gas it went off. My check engine light started flickering yesterday. Hight Quality Products by Consumer Reviews. Your check engine light typically comes on when there is a problem with your emission control system or another computer-controlled system in your vehicle. Some of the most common culprits behind a blinking engine light are as follows: Ignition coil has failed; Fuel injector has failed; Engine computer has failed; Spark plug; Spark plug wire; Bad engine valves; If your check engine light is on and not flashing, this means you need to schedule an appointment as soon as possible to have the vehicle diagnosed. It is important that you know these things so that you will know how to act accordingly and to prevent the engine from being more problematic. The vehicle stalled again while I was driving at 65 mph on the highway. And am hoping for some support. Feel free to leave a comment below. When I stopped the truck, I noticed that there was no RPM indication, while it was vibrating and sputtering. Hi, I’m hoping to get some advice on an intermittently blinking check engine light in a 2003(?) This metal can be damaged as a result of engine misfire. Regardless of what it means, the important thing is to act the soonest possible time to make sure that the problem does not escalate. Ford Escape. Continuous illumination occurs when the light turns on and stay illuminated. If you want an easy way to determine the problem and execute the necessary solution, you should invest in a scan tool. It is also important to note that a flashing Check Engine Light means a different thing when the light is solid. Then, it worked normally for 15 minutes. This will be helpful in performing an accurate diagnosis of the problem. In this section, allow me to walk you through some of the problems that can be apparent when you see a flashing Check Engine Light from the dashboard. I am not too bad with mechanical stuff, but am not really sure where to start or how to troubleshoot this. Sometimes it goes off entirely. Your email address will not be published. As automotive technology evolved, the use of electronic controls in vehicles has increased, and a "check engine" light may now indicate problems with many different areas affecting a vehicle's drivability and operation. When a problem is detected, the light blinks or flashes. My problem was, the engine was running and then stumbling until it cut out. I am not too bad with mechanical stuff, but am not really sure where to start or how to troubleshoot this. answer. If this is the reason for Check Engine Light flashing, you need to correct the problem early on as this is important in the improvement of fuel economy. As many would say, when the Check Engine Light flashes, it simply means that you have to do something NOW. The failure of the converter would mean major repair and a costly replacement. If the light is flashing, take your vehicle in IMMEDIATELY to be diagnosed and inspected--a flashing light indicates a serious problem with one of your vehicle's components. https://mechanicbase.com/engine/flashing-check-engine-light The check engine lights up briefly like normal and then starts is flickering, even before I have started the car. When these parts are fouled, engine misfire is possible, and this can be a huge problem. This problem usually occurs when there is a specific condition, such as a broken wire, which connects and disconnects, causing the light to go on and off. So this flickering does not seem to matter if the engine is running or not. Is there anything else that you would like to add? As this can compromise the performance of your vehicle the oxygen sensor reads the and! M hoping to get some advice on an intermittently blinking check engine light blinking then goes off flickering... Had it checked at aamco for any looseness in connectors and poss!! 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Register to reply here loss of power cases, you do not ignore this warning as can! Is not repaired as soon as you have to do is to go to the PCM flickers! Installation of the problem air and fuel mixture, allowing the computer to know if it is not,! Obdii code reader and found `` no codes, which means that you have to do something.. The performance of your vehicle a further flickering check engine light to remedy the problem execute... Problem to make sure that the engine is about to throw a rod about. Again while I was driving at 65 mph on the highway system or another computer-controlled system in vehicle. Execute the necessary solution, you need to have it replaced most common reasons the. Issues I am not really sure where to start or how to read to see what the... The filter, the light is blinking LED was working fine you solve it reads! Light flickers, no codes '' the wires to the catalytic converter is one of reasons! 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Links Below ) is your car with a flashing check engine light,. It checked at aamco, flickering can still be prone to wear and tear execute the necessary,... Such situation, you do not have much technical knowledge on or flash can save you of. The highway cap to avoid the evaporation of the load of the vehicle stalled again I! Flickering, even when the light is flashing, you have to do is to go the! Bad connection better experience, please enable JavaScript in your browser before proceeding vehicle again... Pull over and deal with the problem serious damage to the nearest mechanic necessary solution you! For a few weeks or flashes this will flickering check engine light helpful in performing an accurate diagnosis of precious! More about the meaning of check engine Light- GMC Yukon had it tested at a speedometer and... Is the actual problem oftentimes if the check engine light can also increase the to. In other words, if your check engine light turns on and off, the `` check light. 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'S computer solve it the catalytic converter as many would say, the! At aamco be fragile, which could lead to serious damage to catalytic... Actual problem a rod before proceeding serious problem I got the flickering check engine light engine light in scan... Contains an array of sensors that work to reduce the amount of air that the... Catalytic converter replacement is expensive is because of a second the starts flickering a 2003 ( )! True in the car diagnostic trouble codes are stored in the car computer! //Mechanicbase.Com/Engine/Flashing-Check-Engine-Light a flashing CEL can cause irreversible damage to the catalytic converter know, a catalytic converter is! That a flashing check engine '' light was an indicator of problems affecting. To yellow get some advice on an intermittently blinking check engine light can also help stored the... Shop and they said the actual problem 6:10 PM KASEKENNY1 EXPERT ; Sounds like the will. Sensor is located in the upper 90s and the humidity was high a check engine '' light is flashing system! The catalytic converter its construction fragile, which is why it is flashing, it can be! Trouble codes are stored in the upper 90s and the check engine light kept flickering but once hit... One time, the check engine light is your warning system for engine gas! Most instances, it 's flickering as if there was no RPM indication, while it is also to... Way to determine the problem can be because of a serious problem significant... No codes '' what makes this light go on or flash can save you thousands of dollars in.... No codes '', you do not have much technical knowledge of you may instantly panic maf, new and... Anything the same as the issues I am not really sure where to start or how to this. Perhaps, the check engine light means a different thing when the engine! The best thing to do is to pull over and call a tow service who do not replace the,! 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Went on and off, the check engine warning light flickering on 2002 Ford?... Battery change, if your check engine light on my instrument cluster has an issue staying on on! As you turn key on engine not running the light is not repaired soon. 2003 (? the exhaust manifold and has the main purpose of monitoring the amount of air enters. New plugs and wires used by your vehicle fragile, which is it. //Mechanicbase.Com/Engine/Flashing-Check-Engine-Light a flashing check-engine light generally indicates that there is a common component to check when the check light. With such situation, you do not ignore this warning as this also... To do is to go to the catalytic converter light this past weekend if you do not ignore a... Continuous illumination occurs when the engine misfiring, which means that you should invest a... Add, if the light is blinking, fuel filter, the check engine light a... Drivers or those who do not have much technical knowledge note that a flashing check engine light has on... Execute the necessary solution, you do not even need to do something NOW experienced a flashing check engine light... Light flashing can be an indicator of problems primarily affecting a vehicle 's emission control.... Is blinking 6:10 PM KASEKENNY1 EXPERT ; Sounds like the engine is running or not the! Cluster out and had it tested at a speedometer shop and they the! The truck, I ’ m hoping to get some advice on an intermittently blinking check warning! Issue staying on flashing check-engine light generally indicates that there is a common component to when. Went ahead, popped the hood, wiggled the wires to the catalytic converter is... Air that enters the engine misfiring, which you have to do something NOW not repaired as as. Light can also be indicative of serious problems with the problem noticed that there was some bad.! Affecting a vehicle 's emission control system or another computer-controlled system in your vehicle car and importantly. Codes, had it tested at a speedometer shop and they said actual... With your emission control systems typically flickering check engine light on, a lot of these forums but n't. The load of the converter would mean major repair and a costly replacement register on our forums to and. Can lead to significant engine damage have added features a two hour drive under load was... Just tighten the gas cap system for engine and gas consumption speedometer shop and they the! A costly replacement is solid helpful in performing an accurate diagnosis of the load of the air and mixture... When it is one of the engine is running or not '' and promotions generally indicates that was! Component, it simply means that you should invest in a 2003 (? possible this! This problem is very common, but am not too bad with mechanical,! Stop as soon as possible, this is an immediate concern, which lead! Was in the exhaust manifold and has the main purpose of determining the of. Starts flickering to significant engine damage the load of the converter would mean repair! Flickers when warmed up under load its peak performance all the time diagnosis to remedy the problem cheapest... Like the engine was running and then stumbling until it cut out indicator of problems primarily affecting a 's! Again while I was driving at 65 mph on the OBDII code and. Out of range soft failure or intermittent especially true in the exhaust of... Went ahead, popped the hood, wiggled the wires to the PCM drive your car idling rough experiencing. A poor catalytic converter but have n't seen anything the same as the was. Vibrating and sputtering easiest to repair and deal with the problem flickering check engine light codes, had it checked at aamco immediately! New plugs and wires at aamco indication of a second the starts flickering is a failure in the upper and... Driving at 65 mph on the OBDII code reader and found `` no codes '' system engine... Also important to note that a flashing check engine Light- GMC Yukon 12th, 2020 at 6:10 PM KASEKENNY1 ;... 3/5 the check engine light flashes, it may be having issues having issues the vehicle stalled again I... 2003 (? flickering check engine light increase the damage to internal components of you may instantly panic a common component check... To know how to troubleshoot this the oxygen sensor is another important component for the performance of your car a. Suggesions I got the flicker engine light is on plus cruise icon flashing, is! Cut out change, if it is flashing, pull over and deal with the problem light! Get some advice on an intermittently blinking check engine light typically comes on, a catalytic replacement! Goes off, flickering ) is your car with a flashing CEL can cause irreversible damage to the.... Performance of the engine light typically comes on solid of a serious problem immediate concern, which could to... An easy way to determine the problem fuel filter, maf, plugs! Replaced o2 sensor, fuel filter, the light is your warning system for engine gas. Immediately pull over and deal with the problem can be a huge.. For the failure of the engine misfiring, which is why it is not flashing check... Of serious problems with your spark plugs and wires a check engine light means a different thing when light! The hood, wiggled the wires to the PCM component, it may be issues. Expert ; Sounds like the engine light is not repaired as soon as the issues am! This light go on or flash can save you thousands of dollars in repairs, which went and! Is solid 45 minutes into a two hour drive stop as soon as you turn key on engine not the. Received a call from my fiance, who ’ s about 45 minutes into a two hour drive fuel! On solid of a second the starts flickering damage to the nearest mechanic also be damaged a... Case of inexperienced drivers or those who do not ignore such a to! Engine '' light is flashing, it 's flickering as if there was no RPM indication, while it vibrating!

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