Flashing engine light jeep liberty

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Flashing engine light jeep liberty. The 2006 Jeep Liberty oil light is an indication that the vehicle’s oil pressure is low. It is important to address this issue promptly to prevent potential engine damage. The oil light serves as a vital warning system in a 2006 Jeep Liberty, alerting drivers when the oil pressure drops below safe levels. Neglecting this red flag could lead ...

The brake warning light indicates that your Liberty has detected that one of its major brake components has failed, typically seen through a pressure loss. You'll feel a loss of pressure that manifests itself in the form of a "mushy" brake pedal (low brake fluid level). If the brake light is only coming on when you push the brakes, that ...

Mar 8, 2017 · M. maximusAF Discussion starter. 123 posts · Joined 2012. #1 · Mar 8, 2017. 2008 JK with almost 195K. Has been almost perfect since I bought it new. CEL began flashing and dinging at me. I could tell it was losing power, so pulled over and had it towed to a shop. Playing the waiting game now.Nov 21, 2013 · 1 post · Joined 2013. #1 · Nov 21, 2013. Hi everyone, I am brand new to the group - I have a 2006 Jeep Liberty Sport, (only owner) Recently - the engine light came on as well as the ABS, Traction, and ESB lights. I took to Advanced Auto and they told me it was a misfire, and speed control sensor. (also, possibly need new wheel bearings).1265 posts · Joined 2012. #1 · Oct 17, 2012. As i was driving home today the check engine light came on along with a flashing electronic throttle control light. The jeep had a serious loss in power and an incredibly rough idle. I have a 2007 laredo 3.7 with 85k miles. Im hoping a new throttle body will solve the problem because i just special ...From DC: "'Type 43' is just a designation for the instrument cluster in your vehicle. If the lettering appears to be illuminated, it may be caused by reflection or light bleeding through. However, it does not signify a fault in your vehicle." FAQ Farm --> From a quick Google.What color is it? The owners manual states: This light will flash rapidly for approximately 16 seconds after all of the doors are locked and closed to signal that the system is arming. After the alarm successfully arms, the light will flash at a slower rate, to indicate the alarm is set.

2002 Jeep Liberty Limited - check engine light started flashing and bluish/ smoke poured out of exhaust pipe; engine ran - Answered by a verified Jeep Mechanic. ... 2002 Jeep Liberty Limited - check engine light started flashing and bluish/white smoke poured out of exhaust pipe; engine ran extremely rough. Submitted: 13 years ago. Category: Jeep.This car doesn't flash codes. OBTAINING DTC'S USING IGNITION KEY. Cycle the ignition key ON - OFF - ON - OFF - ON within 5 seconds. The odometer will show the P-code for the DTC code number. Refer to the DTC chart for a detailed explanation of the DTC codes. If no DTC's are present, the cluster will display one of two texts: "P1684" and "done ...The light is flashing to get the message to you to stop driving. It means that the engine has a misfire severe enough to damage the catalytic converter if you continue driving. You need to have the codes read and that should at least tell you which cylinders are missing and then you will have to determine the cause.Me again with the 2005 Jeep Liberty; just about 89k in mileage. So I had a high mileage oil change done on the 24th. Today after driving approximately 50-60 miles, my oil pressure warning light started to go on and off but luckily no noise or difference in driving. Noticed it went off when the RPM was over 2.This free video provides the steps to diagnose and clear a check engine light on a 2011 Jeep Liberty Sport 3.7L V6. The video also provides steps on how to read the 2011 Jeep Liberty Sport 3.7L V6 trouble code.

A failing catalytic converter can trigger the check engine light and may require repair or replacement. 4. Issues with Spark Plugs or Ignition Coils: Faulty spark plugs or ignition coils can result in poor engine performance, reduced fuel efficiency, and an illuminated check engine light.Emergency BRAKE Light flashing, loud audio alerts, and my 2022 Jeep trying to stop while driving on the highway!!! Sooo scary! Today I was driving home from work on the highway and in heavy traffic, when suddenly a big red BRAKE! sign came across the dash, and there were several loud audio alerts over the speakers.This is a very common reason why the airbag light comes on. 3. Clock Spring. A typical clock spring. The clock spring connects your Liberty’s steering wheel controls, horn, and airbag to the rest of the vehicle. When it fails, the airbag light will come on. 4.2008 Liberty check engine light. Hi, We have only had this new 2008 Liberty Limited since March 31. Last week, while my wife was driving home from work in the rain, the check engine light came on. Checked the gas cap to make sure it was on tight, and it was. The light was still on the next morning driving to work, and again that evening driving ...Recently purchased a 2002 Jeep Liberty in pristine condition, but the engine makes a mysterious noise. Part 1 vehicle walk around, engine running making nois...Mar 27, 2015 · 2008 Liberty Sport 4x4 Automatic 4" JBA Lift & 245/75R16 BFG KO2's ATH Recovery System & Roof Rack

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98 jeep cherokee sport flashing engine light. The check engine light is because all check engine light codes are caused by components that affect emissions. It's not actually an engine problem, it's a problem with either your O2 sensor, MAF sensor, fuel/air ratio, pyrometer, or exhaust. ______________. gm diagnostic tools.If the check engine light is flashing, this means that there is a serious issue and it is recommended to service your Jeep Liberty quickly. Call the experts at Larry H. Miller Colorado Jeep by dialing 8664775695 so you can describe the issues.1. Loose Battery Terminal (Likely) A loose battery terminal can cause your Jeep Liberty to have flickering dash lights and a no start condition. If a terminal is loose, the electrical connection to the vehicle is bad, and the dash lights can flicker without it starting. It’s easy to tell if the battery terminals aren’t tight.A failing catalytic converter can trigger the check engine light and may require repair or replacement. 4. Issues with Spark Plugs or Ignition Coils: Faulty spark plugs or ignition coils can result in poor engine performance, reduced fuel efficiency, and an illuminated check engine light.

The light is flashing to get the message to you to stop driving. It means that the engine has a misfire severe enough to damage the catalytic converter if you continue driving. You need to have the codes read and that should at least tell you which cylinders are missing and then you will have to determine the cause.Engine light flashing throwing 7 codes what is the issue. Asked by jason Mar 21, 2020 at 01:05 PM about the 2010 Jeep Liberty Limited 4WD. Question type: Maintenance & Repair. I have a 2010 Jeep Liberty 3.7 4x4 never had tune up. replaced plugs with platinum plugs new coil packs new. wires new O2 sensors and new muffler now has a flashing.Jun 25, 2012 · It means that there is a problem with the engine that can cause serious damage. A solid illuminated CEL means that something has happened that will cause the emissions to exceed 1.5 times the FTP. Flashing means a failure that will cause damage. That is why they tell you to pull over if a flashing engine light occurs.Jeep liberty 3.7 / 4.7 check engine light flashing possible causesJeep liberty dashboard lights: q&a on 2006 & 2008 liberty dash light So i got a check engine light on my jeep liberty 2008 the check engineLiberty jeep 2005 limited sold auto 4wd.DaveJM on July 26, 2017. A flashing check engine light indicates the presence of an engine misfire. An engine misfire will cause the engine to run more rough than usual and lack the power that you are accustomed to. Engine misfires are often caused by ignition system problems like a faulty coil or spark plug...or more than one.Me again with the 2005 Jeep Liberty; just about 89k in mileage. So I had a high mileage oil change done on the 24th. Today after driving approximately 50-60 miles, my oil pressure warning light started to go on and off but luckily no noise or difference in driving. Noticed it went off when the RPM was over 2.The engine revs, the vehicle doesn't move, and drive ("D") on the gear shifter starts flashing. I have to put the vehicle into park until the drive indicator stops flashing stops flashing and then put it back into drive. It takes a few seconds (may 5-10)before the drive indicator illuminates, and then it drives fine.The coolant tank was visibly near empty. While driving, the red lightning bolt light (electronic throttle control system) and a check engine light came on. The code is P2181. Temperature gauge did not move entire trip. I took some pictures from under the front, looking up to locate the leak. I can add more pics later to clarify.After leaving car wash - hand washed with pressure wands and jeep running entire time - felt like the cruise control was on, even after standing on brakes. Had to pull over, engine racing, pegged at exactly 4,000 RPM, and noticed ETC light on. After several shut-downs and restarts over an hour, light went off, and problem cleared.The flashing light indicates you have a big misfire that could damage the catalytic converter.. Being you were going uphill (under high load) this would indicate an ignition issue. You may have a bad coil or wires or a bad spark plug. The reason you could only go 30mph was because the computer was put in limp mode.By Antoinette Woodley August 1, 2023. If the check engine light in your 2006 Jeep Liberty is flashing, it indicates a severe issue with the engine that requires immediate attention. Driving the vehicle in this condition can cause further damage and potentially expensive repairs. It is important to have the vehicle diagnosed by a qualified ...

Check Engine Light Flashing In 2002 Jeep Liberty, Now... Heater Stopped Working Correctly, Blows Hot Air But Not Enough, Now Check Engine Light Flashing, Mileage Is Poor, And Vehicle Is Running...

The Sway Bar light, traction control, and many others are flashing randomly while it's chiming. Also in my message center it says hot oil. The fans on the jeep kick on also. There has been multiple times that the Jeep will go into limp mode and it gets stuck in low gear while all this is happening also.This can lead to rough idling, trouble starting, and an active Check Engine Light. 4. Worn Spark Plugs or Spark Plug Wires. Spark plugs help ignite the air-fuel mix inside your Jeep's combustion chamber. However, like every car part, spark plugs and their wires can wear out with use, causing the engine to misfire and activate the CEL light.Jeep Liberty - KJ (02 to 07) KJ General Discussion . Trouble Starting When Warm ... Does anyone know what a flashing check engine light means? Feb 4, 2014 #14 Luke Interloper. Joined Oct 21, 2008 Messages 4,088 Reaction score 522 Location Bancroft, Canada. frontrangecctv said: Is there a way to pull codes if the light is off?For the past year on an infrequent basis my wrangler has started blinking the Check Engine Light and violently shook backwards and forwards before going into "limp mode" where I could barely accelerate beyond 2000 RPM. I took it in about six months ago to the local Jeep dealership and they "could not replicate the issue or find the code ...It’s important to understand a blinking check engine light indicates an engine misfire is occurring. Misfires happen anytime there is an interruption in your engine’s firing process – most commonly due to an ignition system problem. Here are some of the most frequent causes of a flashing check engine light plus a shaking car:I am really at a loss here. I have changed a bunch of things looking for what could be causing these problems and now the engine light started flashing today for a few seconds, before going back off. I am still loosing power when I run the jeep on a hot start. It has no problems at all with a...January 24, 2024. Flashing the Check engine light 10 times on your Jeep Wrangler can usually happen if you’ve recently disconnected the battery or cleared codes with an OBD-II scanner. It’s a sign that at least one or more emissions system has not completed its readiness checks. In technical terms, it’s about the I/M readiness test.

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Misfire — A flashing light mean there has been a misfire in the engine which can cause damage to your expensive catalytic converter. If this is the problem, stop driving and call a car mechanic. Gas Cap — For a loose gas cap, the CEL is on, but not flashing. Tighten the gas cap and check if the CEL has turned off.P1289 Manifold Tune Valve Solenoid Circuit Open Or Shorted - Read Our Article on Automotive Circuit Testing For Help With This Jeep Check Engine Light Code. P1290 CNG Fuel Pressure Too High. P1291 No Temp Rise Seen From Fuel Heaters. P1292 CNG Pressure Sensor Voltage Too High. P1293 CNG Pressure Sensor Voltage Too Low.Lilah Butler, Car Insurance WriterApr 5, 2021 There are 17 Liberty Mutual discounts for auto insurance customers, ranging from discounts for good drivers to discounts for cars with...AUBURN HILLS, Mich., Jan. 18, 2022 /PRNewswire/ --New factory-backed, Wi-Fi-capable, Level 2 (240-volt), at-home, hybrid-electric-vehicle, wall ch... AUBURN HILLS, Mich., Jan. 18, ...Will now have to take to another shop to have it checked since the dealership has failed 3 times to fix. - William R. , Stout, OH, US. Maximize. The 2012 Jeep Liberty has 6 problems reported for ...2017 Jeep Grand Cherokee Summit 4x4, 5.7 Hemi & 2017 SRT 6.4L & 2020 Trackhawk 6.2L Supercharged. ... 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6 Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac ... cannot move and the "N" light flashing. Tried turning off my engine was told "place in park" could not shift and hence ...I have a 2003 Jeep Libert 3.7l V6. Saturday the thermostat went out. We had it replaced and we told that the radiator had a leak but was holding pressure- we opted to not replace it yet. Yesterday my husband was driving it and the check engine light was flashing- he had power loss couldn't go faster then 40mph.If your Jeep JK Wrangler has any logged in any DTC's, they will be displayed soon after the dashes appear. Write down the DTC (s) and check it/them against the list to find out what they mean. 3. If your Jeep JK Wrangler has not logged in any DTC's, the dashes on your odometer will be followed by the message '-done-'.4 posts · Joined 2010. #14 · Dec 13, 2010. By paying more attention to the driving conditions when the flashing light occurs I have observed that it requires all of these conditions to occur: 1) Speed of 55+. 2) Going downhill. 3) Coasting. 4) More likely when cruise controll is working than when not.P0300 is a generic OBDII code that can occur with the Jeep Liberty. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire ...123 posts · Joined 2013. #1 · Feb 17, 2017. Intermittent half-speedometer lighting flicker issue. My 2012 Jeep Liberty has recently acquired an intermittent dash-light issue at the gauge cluster. The right-half lighting of the speedometer will flicker or go off for a brief period of time but doesn't do it in any consistent manner.Start with getting the codes pulled. The CEL flashing is a good indication that there is one stored. The code will give you direction as to what cylinders to be checking or which coil bank is not firing properly. 06 Commander Limited,4.7,130k. 01 GC Limited,QD-II,4.0,236k-sold. 99 GC Laredo,QT-II,4.7,96k-Sold. Like. ….

Let's see what codes have stored turning the engine light on. Cycle the key from off to on three times ending with it on and watch the digital odometer display. The codes start with a P and have four numbers, there may be more than one stored. Write down any that you see and post them here.A sputtering engine can indicate a number of problems. If your Jeep Liberty has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter. Your Liberty’s engine is a giant pump. It pulls in air (where it is measured by the mass airflow sensor).Mostly troublefree with a good amount of towing until this summer. While towing 6500lb. boat trailer the red "electronic throttle control" light started flashing, and it went into limp mode. Also got Code P0299 (underboost) Jeep dealer replaced turbo and fixed boost leaks with new intake pipe assy. Also replaced one injector.2430 posts · Joined 2007. #5 · Nov 10, 2008. Yes a blinking check engine light is a misfire, i would take it to someone, and get the codes pulled, autozone and advance auto will do it for free. 1999 TJ Wrangler, 4 banger 5-spd. Soft-top, full doors.Blinked then solid check engine light. Made a short road trip today 1.5 hrs each direction; about 200 miles. On fhe way out, the check engine light blinked a couple times but stayed off. On the way back, it blinked again a few times then went solid. There did not seem to be any change in performance.Flashing engine light? Zero symptoms prior, turned off jeep for 10 minutes or so was running driving normal…get back in power comes on but will not even turn over, engine light flashing. Any ideas? flashing VEL is an attention geter - Cat damage is likely, often an fuel inj or ign issue.It is easy to ignore your Jeep Liberty's Check Engine Light if your car can still drive, but doing so can lead to significant issues over time. The Check Engine Light coming on signals that a fault has been detected by your vehicle's computer and requires attention. This fault can have consequences that include a rough-running engine, poor ...A sputtering engine can indicate a number of problems. If your Jeep Liberty has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter. Your Liberty's engine is a giant pump. It pulls in air (where it is measured by the mass airflow sensor). Flashing engine light jeep liberty, The check engine light indicates that you need to service a vehicle soon. If your Jeep Liberty has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors).. If your vehicle has a flashing check engine light, it means you need to service the engine now., My check engine light started flashing on the way into work this past Thursday. I wish I had known then how to see what code it was. It definitely felt like the engine was misfiring. ... When I picked up the Jeep on 9/28, I told my wife that the 3.6 Pentastar seemed to have a little "shake" when it was idling. She has a 2016 JKUL with the 3.6 ..., Vientiane is the capital of Laos, locates curve of Mekong river and is in the center of the country, the west border is next to Nongkhai province, Thailand; which river is boundary point between these two countries, north is next to Vientiane province and east-south with Borlikhamxay province. Vientiane Capital is main of management, political ..., 38 posts · Joined 2007. #10 · May 30, 2007. I guess with it being a common issue, step 1 unhook neg terminal on battery, step 2 open gas cap and close again, turning several times after it clicks, step 3 replace negative terminal and see if the light goes off, if not, then take it to autozone for a free diagnostic check., Today's cars need typically 40psi or more for the fuel to properly vaporize for proper combustion. The codes are p0300 and p0302. I have a 2005 jeep liberty 3.7L with 60,000 miles on it. The engine light when on 2 weeks ago and gave a p300 code. the dealership replaced coil and plugs, I believe. Then would start rough when cold, the engine ..., My 2004 Jeep Liberty has 213K miles and other than replacing normal wear items has been extremely reliable. On routine start the engine started missing as if only 2-3 cylinders were firing and the check engine light started flashing. Running too poorly to drive so I called a wrecker for towing to garage. Mechanic said scanner showed multiple ..., What Does A Flashing Check Engine Light On Jeep Mean? A flashing Check Engine Light indicates a serious fault that needs immediate attention. As soon as you see the flashing indicator …, So this service engine light would flash drive poorly we would park it wait 15 mins it would drive fine again.. ... Jeep Liberty - KJ (02 to 07) KJ General Discussion ... . 2006 Jeep Liberty flashing engine light and driving like crap till you gun the engine the drives fine for a bit and light stops. Thread starter swartz2448; Start date May 22 ..., 1. Loose Battery Terminal (Likely) A loose battery terminal can cause your Jeep Liberty to have flickering dash lights and a no start condition. If a terminal is loose, the electrical connection to the vehicle is bad, and the dash lights can flicker without it starting. It’s easy to tell if the battery terminals aren’t tight., Only show this user. #15 · Dec 19, 2016. UPDATE: Good evening fellow Jeepers...took my 17 JK UNL to The Dlr. They resolve the "check engine light issue". Here is what they found and replaced. I quote their sevice tech, "PO441 EVAPORATIVE PURGE SOLENOLD. REPLACED PURGE SOLENOLD. CLEARED DTCS AND TESTED SYSTEM., Top up power steering fluid. Help keep your car as responsive as you are by maintaining proper power steering fluid levels. 2002 Jeep Liberty Limited 3.7L V6. Oil level check. Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary. 2002 Jeep Liberty Limited 3.7L V6. Be cool under pressure., In 2009 we hosted the 25th annual SEA Games and in 2010 we held a celebration of the 450th anniversary of the foundation of Vientiane as the Capital (1560-2010). To prepared for the above auspicious events Vientiane people have continued developing the city to be peaceful, clean, green, charming, light and civilized., Location. Oregon, USA. I have a 2011 Liberty with 175k miles that I can get to turn over but engine runs very rough if I'm pressing the gas pedal and then dies completely when I let off the gas pedal. *After it dies I smell gas when I exit the driver door. I feel like that could be a helpful piece of information maybe* A week ago I just took it ..., Georgia. I have a 2003 Jeep Liberty. A few months ago, my engine overheated and steam started pouring out of the radiator. I found out that there was a small crack in the radiator. Since I don't have the money to replace it, my dad and I used some J.B. Weld to cover the crack. I always had to check the water level in the radiator after …, I show a 2004 Jeep Liberty Renegade, but this will also work for a 2002 - 2007 Jeep Liberty.Steps:1) Put your key in the ignition2) Turn your key to the acce..., Mar 2, 2014 · 2007 3.7l engine noise. Knocking is happening every couple of seconds. Cold start today. Revs to 1500, then slowly goes down. Then the noise starts. Engine light comes on stay. If I increase throttle, the noise does increase in frequency slightly and the engine light starts flashing., If your car blows hot air when your air conditioner is turned on, try recharging the freon first. 2011 Dodge Nitro Heat 3.7L V6. See all videos for the 2002 Jeep Liberty. This free video provides the steps to diagnose and clear a check engine light on a 2006 Jeep Liberty Sport 3.7L V6. The video also provides steps on how to read the 2006 Jeep ..., 76,000 MILES. Oil pressure light came on while driving down interstate. Pulled over asap and shut off engine. Checked oil and it was full. Somewhat dirty. When we restarted the engine it started to make a screech like a belt and then a faint rattling noise like a really loud fan. Or something. We shut the car of once more and let it set for a ..., Delaware. My 2004 Liberty has had the Part time dash light on since I switched it into 4wd during the last snow storm. The same day I switched it back to 2wd drive but the part time light is still on. I was wondering if this would affect gas mileage at all, since the Jeep is not technically driving in 4wd, only the light is on., Shop foreman at the dealership said he thought it might be a leaking fuel injector. He told me to pull the rail off when it was hot and turn the key on to pressurize it. Put some cardboard under the injectors to see which one was leaking., The average price of a 2011 Jeep Liberty check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com Car Values, What happens is the ABS computer sees the sensor acting up, so it knows it can't trust the readings, so it shuts down, which lights up the ABS, ESP/BAS, and Trac lights. The ABS module is constantly communicating with the Final Drive Control Module (FDCM), so when the ABS module stops talking, the FDCM freaks out too, which sets the Serv 4WD light., If your Jeep suddenly flashes 11 times while on the road, you should park it on the roadside and contact a towing service. If your mechanic is nearby, you can drive to the repair shop at speed not exceeding 25 mph. Continuous flashing of the engine light indicates a much more severe problem., 05 jeep liberty with a 3.7l engine, customer complaint is a flashing check engine light, rough running. p0300 multiple cylinder misfire trouble code stored ..., Delaware. My 2004 Liberty has had the Part time dash light on since I switched it into 4wd during the last snow storm. The same day I switched it back to 2wd drive but the part time light is still on. I was wondering if this would affect gas mileage at all, since the Jeep is not technically driving in 4wd, only the light is on., 2002 Jeep Liberty Limited 3.7L V6. See all videos for the 2002 Jeep Liberty. This free video provides the steps to diagnose and clear a check engine light on a 2007 Jeep Liberty Limited 3.7L V6. The video also provides steps on how to read the 2007 Jeep Liberty Limited 3.7L V6 trouble code., Georgia. I have a 2003 Jeep Liberty. A few months ago, my engine overheated and steam started pouring out of the radiator. I found out that there was a small crack in the radiator. Since I don't have the money to replace it, my dad and I used some J.B. Weld to cover the crack. I always had to check the water level in the radiator after …, Random misfires (p0300, P030x, P035x), the codes listed at times 12 different codes. They would come and go. The problem would move around. I started getting desperate. The battery was weak, so I changed it thinking it would cause a weak spark. Checked fuel pressure. It was OK. Vacuum leaks. Fixed them all., 18 posts · Joined 2009. #1 · May 31, 2010. Hi, I own a 2007 2.8 L Liberty, and I my ETC ligth is flashing, and it wont stop. The car is running fine, and it has no power issues that i know. I think it started after driving through water, and i tried to dry the brakes while i was accelerating., Having a problem with Jeep and wondered if you could give it some thought: 6AM Monday when i went to start my 2003 Grand Cherokee 4.7 the Sentry Key Immobiliser System Indicator light came on and car would not start. ... AA cleared all fault codes (OD26; 0210,0311,0811) most refer to communication with engine control. Today my local garage ..., Asked by Rachel Aug 16, 2008 at 02:35 PM about the 2002 Jeep Liberty Sport 4WD. Question type: Maintenance & Repair. ... The check engine light is blinking, i tried turn... 2006 Jeep Liberty Sport 4WD-Maintenance & Repair. Interior light arent working 2 Answers. I have a 2012 jeep liberty. Recently the interior lights (dash and radio) dimmed ..., The check engine light indicates that you need to service a vehicle soon. If your Jeep Liberty has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors).. If your vehicle has a flashing check engine light, it means you need to service the engine now., This morning I fired up the Jeep and the light was on. Took the boys to school, 5 miles. and light was solid the whole time. Made a stop at McDonald's on the way home. When I left McDs, the light came on and started FLASHING (and a chime too.) Came home and checked all five tires and the psis are between 36-39.