A MAF for a late-model car typically costs between $120 and $150. The battery is scanty or dead. It can say "Check Engine", it can be a symbol of an … 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. The most common problems that trigger Jeep check engine light to come on are worn spark plugs, bad oxygen sensor or loose gas cap. Issues with any aftermarket items. If your car isn’t feeling jerky or strange when the check engine light comes on, the first thing you should check is the gas cap. The check engine light on a Jeep Wrangler is an indication that the vehicle is not healthy. Onboard computers increasingly have controlled and monitored vehicle performance since the 80s and do a collection of things for your 2014 Jeep Cherokee. It directs the hot exhaust gases back into the combustion chambers, which warms up the fuel and makes it easier to burn. A steady glow normally means something less alarming but a flashing check engine light hints that your vehicle’s engine is in alarming trouble and service is necessary rapidly. Over time, vacuum hoses can bare out and crack, especially if they’re exposed to important heat or extreme chilly. Repair manuals are useful for deciphering codes, but Google usually has the answer. Finally, keep in mind that most late-model cars have more than one O2 sensor. Greensboro, NC 27407-1510. There are many reasons why the check engine light might come on in your Jeep, but not all of them are serious. 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. Also, note that disconnecting the battery will often reset your stereo system. Depending on your make and model, the check engine light will illuminate or blink. It can drain the battery, trigger the check engine light, or even prevent the vehicle from starting. Changing or charging a battery on your own is a relatively easy task, but keep in mind that in some late-model cars, it’s buried under countless plastic covers, and it might be a little difficult to access. 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. It’s a fairly simple part, and its failure can often be prevented. Or the light may be nothing more than a picture of an engine, known as the International Check Engine Symbol, perhaps with the word "Check." Modern cars are brimming with high-tech bells and whistles, but you inexplicably still need a separate, aftermarket device to decipher why the check engine light is on. Changing your own spark plugs is also easier than it sounds. The difference between diesel- and gasoline-powered cars, From dongles to diagnostics, here’s all you need to know about OBD/OBD II. Error codes don’t always tell the full story. The mass airflow sensor in your Jeep Cherokee is what determines how much fuel is necessary to run your engine efficiently by measuring the amount of air entering the engine. 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 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. Has only happened when the Jeep … Extra common reasons for a Check Engine Light are faulty head gasket, faulty emissions control part, dirty mass airflow sensor, damaged oxygen sensor, a malfunction with the fuel injection system, or defective spark plugs to name a few. Without a vehicle battery, your vehicle won’t start, light up the road ahead, play the radio or charge your phone. If your check engine light turns on suddenly after you put gas in your 2014 Jeep Cherokee, first thing you should check is to make hopeful the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump. Some of these include controlling engine speed, ignition timing, shifting automatic transmissions and implementing stability control, just to name assorted. Forework Check engine lights go on when there is a problem in the engine or the emissions control system. When the light goes off, get ready to start counting the light flashings. An aftermarket alarm can wreak havoc on your car if it’s not installed properly. This blinking light frequently indicates a strict engine misfire allowing unburned fuel to be discarded into the exhaust system. I have a 2016 Jeep Grand Cherokee 75 Anniversary Edition. New Spark Plugs or Plug Wires are necessary for your 2014 Jeep Cherokee. A Jeep Grand Cherokee Check Engine Light Diagnosis & Testing costs between $88 and $111 on average. Sometimes the cap needs to be replaced, but it’s not a problem that’s going to hit your wallet hard. When your engine is misfiring, it is dumping raw fuel into the exhaust. The oxygen sensor (sometimes called an O2 sensor) measures the amount of unburnt oxygen in a car’s exhaust system. Sometimes the codes are clearly explained; other times, you’ll need to do a bit of searching to figure out what something like P1301 means. Most auto parts stores carry universal-fit gas caps that cost somewhere in the vicinity of $15. Some cheaper scanners won’t work with every make and model, so it pays to do your research. Keep in mind that the fault code that caused the light to turn on in the first place is stored in your car’s onboard computer, and you can retrieve it using a simple Bluetooth-powered device linked to an app to get a precise idea of what exactly is wrong under the hood. Every late-model car that runs on gasoline has a catalytic converter. In some extreme cases, your engine will have trouble starting or continuing to run. Problems that trigger a check engine light are sometimes basic and quick to fix. 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. The catalytic converter is integrated into a vehicle’s exhaust system. An aftermarket alarm, exhaust or disparate item can wreak havoc on your 2014 Jeep Cherokee if it’s not installed properly. This is the most common cause of vacuum leaks. All rights reserved. The light comes on when a sensor in the car is sending an error code to the onboard diagnostic computer that something in the care is not functioning as it should be. While that sounds daunting, with a little patience, tackling meaningful diagnostics will give you advantageous knowledge about your automobile and will also allow that Check Engine Light to do what it is truly supposed to do: be your guide. But after about a month or so there is a check engine light on. If the cause is a minor issue, such as a loose gas cap, it should be protected to drive. I bought a 2002 jeep grand Cherokee Laredo 4.0L recently rebuilt. Your mass airflow sensor (known as MAF) needs to be replaced. 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. The engine light on my ’09 Jeep Grand Cherokee came on Sunday afternoon. Your O2 Sensor (Oxygen Sensor) needs to be replaced. A check engine light can indicate a broad spectrum of problems with your 2008 Jeep Wrangler. The cause should be determined before resetting the light, to avoid potential damage to the vehicle. You can: Would you like us to send you price alerts? This question is not very uncomplicated because it all depends on the severity of the issue. 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. Symptoms of an MAF failure include a rough idle, trouble starting, and a sudden change in the position of the throttle pedal. When the light turns on, the ECM stores an engine code or “trouble code” in its memory that identifies as the issue, whether it's a sensor or a failing engine part. Without it, the fuel and air mixture in the cylinders wouldn’t ignite. If your ride has a V8 under the hood, you could have eight separate coils. Click a link to learn more about each one. 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. 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. Jeep Wrangler is an indication of a car ’ s batteries last much longer than before, and displays a! A V8 under the correct pressure, exhaust or disparate item can wreak havoc on your own will save time. Before they ’ re exposed to important heat or extreme chilly stereo system the position of the onboard system... Runs on gasoline has a vacuum system also helps cut down harmful emissions by routing fumes! 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