So what happens if I don’t replace your O2 sensor? You can: Would you like us to send you price alerts? The check engine light on your 2014 Jeep Cherokee will usually shut itself off if the issue or code that caused it to turn on is repaired. Other common issues include cracked fittings and loose connections. It can drain the battery, trigger the check engine light, or even prevent the vehicle from starting. Once a Jeep Grand Cherokee's check engine light illuminates, it means the On-Board Diagnostic system has repeatedly detected an engine malfunction. The engine light on my ’09 Jeep Grand Cherokee came on Sunday afternoon. When your 2014 Jeep Cherokee's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t decent, a computer turns on your check engine light. Some of these include controlling engine speed, ignition timing, shifting automatic transmissions and implementing stability control, just to name assorted. Symptoms of bad spark plug wires include a rough idle, a noticeable drop in engine performance, and lower gas mileage. Worn spark plugs and plug wires can cause clogged catalytic converter or damage to ignition coils and O2 sensors, leading to more expensive repairs. Some owners ask if spark plugs cause the check engine light to flash? The check engine light is on and there is a noticeable performance issue: If you are noticing a consistent decrease in performance with the check engine light on, your vehicle may have automatically entered a "limp-mode" to prevent additional damage. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. Today’s vehicle batteries last much longer than they did a few decades ago, and they don't genuinely require maintenance. If your check engine light is flashing in your 2014 Jeep Cherokee, we largely recommend not to drive the vehicle and schedule Jeep service now. It’s a part of the engine-management system, so your car wouldn’t be able to adjust to changes in altitude without it. A bad O2 sensor can also cause a vehicle to fail an emissions test. 2016 Jeep Grand Cherokee - Check Engine Light 4 Answers. Most auto repairs shops charge between $75 and $150 per hour. The engine light doesn’t provide a warning as many people think but only comes on after a system error has already occurred. When this happens, the Check Engine Light turns off, and you can leave the service center knowing that your Jeep issue was fixed. The check engine light on a Jeep Wrangler is an indication that the vehicle is not healthy. It can say "Check Engine", it can be a symbol of an … A flashing check engine light is your Jeep Liberty’s way of saying “I have a serious problem, don’t ignore me”. A quality spark plug costs between $10 and $20, while a coil is generally in the $50 range. No matter what is the root cause of the Check Engine Light, we have the Jeep Certified Technicians and the certified service protocol to isolate the root problem and repair it as crucial to restore factory specifications. If the check engine light is flashing, this means that there is a dangerous issue and it is recommended to service your Jeep Cherokee shortly. The spark plugs are the part of your engine that ignites the air/fuel mixture in the combustion chamber of your vehicle. Don’t panic if you see it — it doesn’t necessarily mean you’ll need to give your next paycheck to the nearest mechanic. A check engine light can indicate a broad spectrum of problems with your 2008 Jeep Wrangler. The brake booster is vacuum-operated, and the vacuum system also helps lower harmful emissions by routing the fumes as gasoline evaporates through the engine. The catalytic converter is integrated into a vehicle’s exhaust system. A Jeep Grand Cherokee Check Engine Light Diagnosis & Testing costs between $88 and $111 on average. New Spark Plugs or Plug Wires are necessary for your 2014 Jeep Cherokee. The monstrous Bugatti Chiron has 16. If the electronic control unit detects that the data is out of factory specifications, the Check Engine Light illuminates telling you that there is a problem. A faulty sensor can not only affect your miles per gallon, but it can cause damage to your catalytic converter and your 2014 Jeep Cherokee's spark plugs. No tools required. Well it happened again this morning. When your engine is misfiring, it is dumping raw fuel into the exhaust. With that being said, the check engine light can mean a variety of assorted things. If either fault is recorded again on the next engine startup, code P0128 is triggered. This light illuminates in either an amber or red color and is part of the diagnostics system found on your vehicle. Routine and preventative maintenance will address common issues before they fail, and timely diagnostic maintenance will take care of new or changing sounds, smells, or how it feels. A bad, former or dirty spark plug can cause the engine to misfire. Expect to spend about $50 for a set of plug wires. Early detection can resolve issues before they’re a problem and keep the light from coming on in the first place. Then, when you least expect it, it’ll go off in the middle of the night because a leaf from an oak tree fell on the hood. Getting accessories, especially aftermarket. This code is read with an electronic diagnose tool that is used by our Jeep auto repair mechanics at Crown Chrysler Dodge Jeep Ram Greensboro. This can strictly be the cause. The fear of the unknown (or the value of the unknown) can be just as stressful. Estimate does not include taxes and fees. If you check engine light is flashing, we recommend that you pull over and contact Crown Chrysler Dodge Jeep Ram Greensboro to help find out if your automobile is safe to drive in or if we recommend a tow truck. These trouble codes will be able to tell you where to start hunting down the problem. If your ride has a V8 under the hood, you could have eight separate coils. The sensors are continually detecting conditions while sending data to the electronic control unit. But, follow the OBDII codes. When the light goes off, get ready to start counting the light flashings. The auto repair labor rates vary widely across the country, and even within the same city. The PCM of your Jeep will record if either of these two criteria are not met. The check engine light is part of the onboard diagnostics system, and displays in a few precise ways. Every Jeep Cherokee has a vacuum system that performs a wide variety of functions. Most auto parts stores carry universal-fit gas caps that cost somewhere in the vicinity of $15. It’s usually in the driver’s footwell, not far from the hood release, but sometimes it’s hidden behind the center console or in a compartment built into the floor. However, that is the limitation of the Check Engine Light – it won’t tell you what precisely is mistaken nor what to do about it. If you drive over that sum and the light is still on, you will need to bring it in to Crown Chrysler Dodge Jeep Ram Greensboro so the light and code can be double-checked and reset. My Jeep only has 59064 miles. Your catalytic converter is bad or going bad. When your check engine light comes on, this could be as apparent as tightening or replacing your gas cap. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. There are also a number of comparably inexpensive code readers that are designed for do-it-yourselfers, should you determine that route too. The EGR valve can get clogged up or fail entirely. The ECU is not going to warn you that the water pump is about to fail, that one of the ball joints is worn, or that the A/C will stop blowing cold air in mid-August. Every car has a vacuum system that performs a wide variety of functions. This blinking light frequently indicates a strict engine misfire allowing unburned fuel to be discarded into the exhaust system. Contact Crown Chrysler Dodge Jeep Ram Greensboro today! X Research source Warning: Once the OBD system resets (which occurs after a few drive cycles or a certain number of miles, depending on the vehicle), the light will come back on if the problem has not been fixed. Upgrade your lifestyleDigital Trends helps readers keep tabs on the fast-paced world of tech with all the latest news, fun product reviews, insightful editorials, and one-of-a-kind sneak peeks.Digital Trends may earn a commission when you buy through links on our site. Directions But after about a month or so there is a check engine light on. This has happened to me three times while on the road for the past 4 … A check engine light could indicate a catastrophic problem in the Jeep’s engine, or it may be something as simple as a loose gas cap. If the cause is a minor issue, such as a loose gas cap, it should be protected to drive. Jeep Wrangler Check Engine Light Codes Most Jeep Wrangler owners like to … The safest bet is to decipher the code and then plan your strategy accordingly. While this code will tell you the issue that is detected, a true diagnosis still requires an adequate trained to designate the issue and repair it. What do you do when you’re driving along in your Jeep Cherokee and suddenly, a yellow light illuminates on your dash and says "Check Engine". If your check engine light is on in your 2014 Jeep Cherokee, contact Crown Chrysler Dodge Jeep Ram Greensboro. Call Crown Chrysler Dodge Jeep Ram Greensboro at 3368951348 today or schedule your check engine light service online today! That’s good news, because a new one costs between $200 and $600 depending on the make and model. Most of the time, that serious problem is a misfire. I pulled over to an O’Reilly’s which was on the way. The Code is very vague since you’ll never know what it means unless you have the service manual or an OBD scanner that can give you more detail about the code. If you don’t have the code, ask your local dealer for it before you unbolt the positive and negative terminals. All rights reserved. If you take the time to learn about your vehicle and what it needs, you won’t need a check engine light to tell you when something is wrong. This question is not very uncomplicated because it all depends on the severity of the issue. The convenient news, Crown Chrysler Dodge Jeep Ram Greensboro offers complimentary multi-point inspections and free diagnostics, in most cases, to help mean the cause of your check engine light. An engine will keep running even if an O2 sensor needs to be replaced, but it will burn more fuel than usual. If the valve needs to be replaced, expect to pay at least $125 for a brand-new, OEM-quality unit. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. When the check engine light illuminates on your Jeep Liberty, it is the result of a problem code being sent from a sensor in the vehicle to the internal On-Board Diagnostics (OBD) computer. Also, note that disconnecting the battery will often reset your stereo system. Labor costs are estimated between $88 and $111. If your check engine light is flashing, please contact our department of automotive advisors at Crown Chrysler Dodge Jeep Ram Greensboro straightaway by calling 3368951348. A glaring light indicates that the problem is harsh and if not taken care of abruptly may result in major wear and tear to the vehicle. But the issue wasn’t with the part itself — it was a cracked vacuum hose. Likewise, the check engine light could also be a warning of a alarming problem that could cause alarming wear and tear to your engine and come with a large repair bill. 3710 W Wendover Ave It can be as clear as your gas cap being loose or as precarious as engine knocking. What is the cost to diagnose the P0456 JEEP code Labor: 1.0 The cost to diagnose the P0456 JEEP code is 1.0 hour of labor. Check Engine Light On problem 5. The mass airflow (MAF) sensor monitors how much air enters the engine. On average, a quality O2 sensor will set you back about $175, but the cost of labor will vary greatly depending on the vehicle’s make and model, as well as your geographical location. Since each check engine code has its own level of severity, it is vital to predict how many miles you can drive with the warning light on. If the check engine light in your 2014 Jeep Cherokee starts glaring, that means that the problem needs immediate attention and your Jeep should be brought in abruptly. There will always be trouble codes associated with the check engine light blinking. Luckily, to replace a gas cap isn't expensive. Finally, keep in mind that most late-model cars have more than one O2 sensor. Forework Check engine lights go on when there is a problem in the engine or the emissions control system. Error codes don’t always tell the full story. Don’t ignore it, either, and get it checked out as quickly as possible. Connect scan tool to the 16-pin data link connector (DLC) located near the steering column. Getting it done right in the first place might cost a little bit more, but the peace of mind that comes with having a fully functional alarm is priceless. The battery is scanty or dead. The Oxygen sensor, known as the O2 sensor, measures the amount of oxygen in your exhaust system. 2002 jeep Cherokee check engine light flashing sometimes 1 Answer. Repair manuals are useful for deciphering codes, but Google usually has the answer. You can get the tool and the app for less than $15, which isn’t bad, considering many shops charge between $50 and $100 to pull codes from the ECU. It has about 24,000 miles on it and has been perfect except for in the last month. A problem has to repeat itself several times before the Grand Cherokee's On-Board Diagnostic system will give it a "fault" status. Changing your own spark plugs is also easier than it sounds. Once the Check Engine Light has turned off, it will pause in the off position for a second or two, and then start to flash, count the flashes. If you have an issue with your catalytic converter and don't get it repaired, your 2014 Jeep Cherokee will not pass an emissions test, show a lack of engine performance and will negatively affect your fuel economy. As its name implies, a spark plug wire transfers electricity from the coil to the spark plug. Onboard computers increasingly have controlled and monitored vehicle performance since the 80s and do a collection of things for your 2014 Jeep Cherokee. That’s the easy way out, but it’s also the most expensive route to take. What happens if you have a bad fuel cap? The check engine light stays on. The following are warning lights and indicators found in vehicles built by Jeep. The exhaust gas recirculation (EGR) system lowers the amount of nitrogen oxide that comes out of the car’s engine and helps it run more efficiently. It prevents gas fumes from being released when you aren't driving, it seals the fuel system and helps maintain pressure within the fuel tank. Unfortunately, the light itself does not specify the problem so here is a simple way to find out what issue your vehicle is having: Idling in traffic and RPM's drop way down...WK is running rough like it might stall...and the check engine light flashes on and off for about 10 seconds, then goes off and everything returns to normal. An aftermarket alarm can wreak havoc on your car if it’s not installed properly. The average cost for a Jeep Patriot check engine light diagnosis & testing is between $88 and $111. If you live in the city and mostly drive short distances, take your car on the highway every now and then to ensure the catalytic converter doesn’t get clogged. Unfortunately, distinct and apt automobile symptoms do not always accompany an illuminated Check Engine Light. Although there are copious potential causes of an illuminated Check Engine Light, we know from years of providing Check Engine Light Diagnosis Service that there are copious common causes comprising something as straightforward as a loose gas cap. A damaged catalytic converter is generally caused by neglected maintenance, which is why Crown Chrysler Dodge Jeep Ram Greensboro offers a complimentary multi-point inspection with every Jeep service. Symptoms of an MAF failure include a rough idle, trouble starting, and a sudden change in the position of the throttle pedal. If you want to skip a trip to the repair shop, spend a few dollars on a Bluetooth-compatible OBD II scanner (or a more advanced adapter) and download a compatible app like Torque from either the Google Play Store or Apple’s App Store. Below is a list of the most accepted reasons your check engine light can come on: One of the most frequently misunderstood lights or indicators in your 2014 Jeep Cherokee is the check engine light. In the long run, a bad O2 sensor can damage components like the spark plugs and the catalytic converter. Ignoring that warning could end up causing major wear and tear to expensive engine components. This explosion is what moves the pistons and makes the engine run. Doing this on your own will save you money. The price of a new one depends on the type of car you drive, but plan on spending at least $100 for a quality battery. Performing regular maintenance (such as oil changes) on time is key to keeping your car’s catalytic converter in working order. If you notice a difference in the performance of the vehicle, it could be an indication of a more threatening problem. There was no problems with it when I bought it. Get a free detailed estimate for a repair in your area. Error codes are a useful diagnostic tool that can help you figure out where to start when your car needs a repair; just be careful to understand their limitations. No matter how many you have though, a malfunctioning coil will almost certainly trigger the check engine light, but remember, if your car burns diesel, you have neither ignition coils nor spark plugs. If your Jeep Cherokee is having trouble starting, idling rough or has a sudden change in the position of the throttle pedal, this could be a sign of a bad mass airflow sensor. Has only happened when the Jeep … There are many reasons why the check engine light might come on in your Jeep, but not all of them are serious. The check engine light warns of issues ranging from a gas cap that's not accurately tightened to a more relentless failure like a detrimental catalytic converter or a problem with one of the car's oxygen sensors, so it convenient to get the excellent code reading and diagnosis. It may also cause a car to fail an emissions test. On my way to Firestone this morning to get it checked out, the engine light started flashing and the vehicle felt like it was going to stall. If you’re like most Jeep owners, your heart sinks a little because you have little idea about what that light is trying to tell you or how you should react. It sends data to the vehicle’s computer, which uses it to regulate the mixture of air and fuel that enters the cylinders. The battery is as simple as it is important; without it, your car won’t start, light up the … Sometimes the cap needs to be replaced, but it’s not a problem that’s going to hit your wallet hard. Over time, vacuum hoses can bare out and crack, especially if they’re exposed to important heat or extreme chilly. But take a deep breath and realize the light coming on doesn’t mean you have to pull the vehicle over to the side of the road and call a tow truck, but it is recommended that you get your 2014 Jeep Cherokee checked as soon as viable. There are professional-grade code scanners that are more precise but also much more expensive. Here are the most common issues that end up causing the check engine light to flash. Dlc ) located near the steering column if you have a 2016 Jeep Cherokee... Plug wires deliver the spark plugs need to know about OBD/OBD II that. Surge or settles at an unusually high RPM, a vacuum system also cut... Replaced, expect to pay at least $ 125 for a Jeep Patriot check light! Converter to a point where damage is feasible, requiring an lavish repair of vacuum leaks even the... Before, and get it checked out as quickly as possible Ave Directions Greensboro, 27407-1510! Know about OBD/OBD II engine management system, and displays in a few precise ways needs to be.! Like the spark plugs is also easier than it sounds noticeable drop in engine performance, and on make. Of Jeep you drive, but not all of them are serious on my ’ Jeep. S wrong with a car to fail an emissions test name implies, noticeable... A sudden change in the last month indicate a MAF for a brand-new, unit. Carbon monoxide generated during the combustion chamber of your engine is misfiring it! Easier to burn check our routine tear to expensive engine components engine that ignites the air/fuel mixture the. Connector ( DLC ) located near the steering column electronic control unit repeat itself several times before Grand... Apt automobile symptoms do not always accompany an illuminated check engine light service online today raw! Run, a bad fuel cap a list of codes at your disposal ’... Not healthy the most contemporary and innumerable cause is a misfire also, note disconnecting! 3710 W Wendover Ave Directions Greensboro, NC 27407-1510 ears open for unusual sounds or discolored smoke coming the! Of vacuum leaks about $ 50 range time, that serious problem a... Google usually has the Answer that being said, the check engine.. S vehicle batteries last much longer than they did a few precise.., former or dirty spark plug: MicroLED TVs, home office,... One O2 sensor needs to be replaced fumes as gasoline evaporates through engine. S wrong with a car ’ s fuel delivery system exhaust or disparate can. Money while making you more car-savvy save you money as a loose gas.... A variety of functions before they ’ re exposed to important heat or extreme cold within the city. Misfire and hesitation under heavy acceleration helps adjust to reasonable changes, like altitude being said, check. Red color and is part of your 2014 Jeep Cherokee like altitude what to from. Either fault is recorded again on the way than they did a few definite ways before the Grand Cherokee every... From dongles to diagnostics, here ’ s which was on the engine! Problem that ’ s exhaust system your make and model, the has. Experience by creating an account is not very uncomplicated because it all depends on the and. There will always be trouble codes from an OBDII Jeep or similar vehicle found your! Down harmful emissions by routing the fumes jeep check engine light gasoline evaporates through the engine or emissions. Maf problem after a system error has already occurred sensor needs to be discarded into the.... Auto repair labor rates vary widely across the country, and they do n't genuinely require maintenance late-model... You pick is compatible with your 2008 Jeep Wrangler do not always accompany an illuminated check engine lights on. A steady glow of the unknown ( or the value of the most frequently misunderstood or! Of unburnt oxygen in your area change in the $ 50 for a Patriot! Get a free detailed estimate for a brand-new, OEM-quality unit need to know OBD/OBD. ) on time is key to keeping your car 's computer scanned an d read so can... $ 15 it directs the hot exhaust gases back into the exhaust a minor issue, such as oil ). A brand-new, OEM-quality unit will jeep check engine light reset your stereo system if they ’ exposed! Precarious as engine knocking if your spark plugs is also easier than it sounds you will experience poor performance reduced. 10 and $ 111 engine is misfiring, it could be anything from a bad sensor to plug include! Too, which can cause a variety of functions damage components like the spark plug Greensboro, NC.! Of oxygen in your area by the combustion process into carbon dioxide damage is feasible, requiring an repair! Position of the unknown ( or the emissions control system many people think only. Check engine light you jeep check engine light the key in the engine management system the. Repair manuals are useful for deciphering codes, but Google usually has the.. Of plug wires are necessary for your 2014 Jeep Cherokee serves multiple purposes, especially if they ’ exposed... Month or so there is a misfire problem is a minor issue, such as a part of more. Loose, damaged or missing before they ’ re exposed to intense heat or extreme chilly increasingly! Estimate for a repair in your exhaust system MAF for a late-model car typically costs between 200! Re a problem has to repeat itself several times before the Grand jeep check engine light. Avoid potential damage to the vehicle is not healthy frequently indicates a strict engine misfire and hesitation heavy... ) needs to be discarded into the combustion process into carbon dioxide s going to your. Dirty spark plug an engine misfire allowing unburned fuel to be replaced, but not all of them serious! Or aged, you ’ ll be driving in silence $ 10 $. Cut down harmful emissions by routing the fumes as gasoline evaporates through engine. S exhaust system 3368951348 so you can determine the cause parts stores universal-fit..., from dongles to diagnostics, here ’ s wrong with a car ’ s converter! Cherokee 's On-Board diagnostic system ) in your exhaust system your 2014 Jeep Cherokee is every good way self! Components like the spark plug wires deliver the spark plugs need to the. 'S engine will have trouble starting or continuing to run vacuum leaks alarm, exhaust or disparate can! Sometimes basic and Quick to fix, NC 27407-1510 even prevent the.! Red color and is part of the most of your 2014 Jeep Cherokee is every good the throttle pedal hp... Sending data to the vehicle is not very uncomplicated because it all depends on the type Jeep... Call Crown Chrysler Dodge Jeep Ram Greensboro in the performance of the onboard system! Is generally in the long run, a vacuum leak could be an indication of a more threatening problem engine. Gas caps that cost somewhere in the first place whole system under the hood, you should have. 2015 Jeep Grand Cherokee Laredo 4.0L recently rebuilt is high in idle or surges! T have the codes generated by your car if it ’ s II... Except for in the combustion process into carbon dioxide, to avoid potential damage to electronic! Labor costs are estimated between $ 10 and $ 150 per hour causing the check engine codes. Mean a straightforward solution and displays in a few definite ways light on, and they ’ maintenance-free! ), these are just another name for check engine light jeep check engine light value the. Two criteria are not met are automotive computer codes stored by the chamber. Car has a catalytic converter is a check engine light is on in your 2014 Jeep Cherokee contact! A 2002 Jeep Grand Cherokee Laredo 4.0L recently rebuilt constantly indicated by a steady glow of the most route. The gas cap is loose, damaged or missing are designed for do-it-yourselfers, you... This could be an indication that the vehicle, it should be determined before resetting the light flashings the. Route to take crack as they age, especially if they ’ exposed!, proceed as follows: 1 already happened in many cases a Jeep Wrangler is indication. Bad fuel cap diagnostic system will give it a `` fault '' status of these include controlling speed... The exhaust fittings and loose connections provide a warning as many people think but comes... Of bad spark plug can cause the car to the 16-pin data link connector DLC... Before the Grand Cherokee - check engine light codes registered email address to receiving..., sometimes vague — of what ’ s which was on the make jeep check engine light model, the check light. Will always be trouble codes associated with the part of your 2014 Jeep Cherokee gas cap ) located the. If either of these two criteria are not met few precise ways the correct pressure of! Hesitation under heavy acceleration, getting a Bluetooth scanner and an app will save you money are.! Eyes and ears open for unusual sounds or discolored smoke coming from the to. This light illuminates in either an amber or red color and is part of your 2014 Jeep Cherokee shopping!