Is 7e8 Engine Code Bad - On my 2009 Chevrolet Cobalt 4 Cyl, how to fix code 07E8?.

This code is specific to Ford vehicles and is part of the OBD-II (On-Board Diagnostics II) system. You now will see a rating scale a row of yellow stars from bad to excellent, because I have posted my 1st full/partial answer. But you will have to have the codes re checked using a fully compatible scan tool that can read the computer properly as code …. Hi! My check engine light turned on today and keeps blinking, we got code 07e8 and 07e9, and the throttle response is sluggish. Over time, you may notice a faint smell of gas or a slight decrease in fuel economy. Onboard diagnostics or OBD/OBD-II codes are those dreaded engine error codes that only trained auto mechanics seem to understand. It is simply a generic code that indicates a problem with the engine. The code P0300 stands for random misfire. This engine is manufactured by Toyota and is used in many of its models. Reply 1: Good evening, We need the code in the format of a P and 4 numbers. Doesn't seem to run any different. They indicate that there is a problem with the communication between the. That code is the power train and 7E9 is the code for transmision if it was a obd code it would start with a p. We just bought the car from a private seller, so we aren't sure exactly what it …. I need to know how you retrieved these codes. This code isn't on a … read more. Changed like for like, also changed pre and post cat O2 sensors, used cat. This happens because the air-fuel ratio in the combustion chambers can be overly rich or too lean. The emission-related diagnostic information has been erased from the backup memory in the ECM. Feb 4, 2023 · The 7e8 Engine Code denotes the powertrain of an engine and should be distinct from the 7e9 code, which denotes the powertrain of a transmission. Inspect the Oxygen (O2) Sensor: Check the condition of the O2 sensor and replace it if it is faulty or damaged. Suppose this Code appears after clearing the Check Engine light or resetting the CE. data entry part time remote jobs This is probably due to water ingress on a connector causing the high resistance. What does my check engine light trouble code $7e8 mean? That is what they call a "generic" code. This is a comprehensive list, so to easily search for your Jeep Wrangler check engine light code, check out these keyboard shortcuts. kohler kitchen sink costco 3 1500 srt-10 standard cab sloopvoertuig (2004, rood). Search for: Search for: Tech, Innovations & Science; Technology; Automtovie. GuruL5TSJ answered 5 years ago. This code isn't on any list I've seen. Jun 12, 2017 · Today I was working on an older Dakota 5,2L and had the OBD tool out. When you determine their engine code 7E8, some of the following can be the cause of it: Broken Fuel Filler Cap. When you retrieve the codes (if there are any), signal back if you need assistance in the code meaning. The control module is responsible for monitoring and regulating various aspects of the engine’s performance, such as fuel injection, ignition timing, and. I have a cheap computer I hooked up and codes $7EA, $7E8 came up but when I hit read codes there is nothing. Not much info in the web about this. However, this code is indicative of a small leak in the evaporative emission canister and not a large one. Engine code $7E8, $7E9, $7Ex - They're not what you think they are - OBD Planet Scroll down some more. Stopped and got red triangle again along with the yellow exclamation point. 2005 Ford Freestyle AAA guy mechanic I assume told them it had a crack in I'm hoping just the exhaust pipe and not the exhaust. If it fails, it could trigger the 7e8 engine code. With their powerful engines, easy maneuverability, and great feat. Repair faulty electrical connection – $50-$1,000; Replace charcoal canister – $125-$650; Mechanics Tips about the P0496 Code. 50 ton hydraulic press harbor freight Is 7e8 engine code on Chevy bad? No, Chevy’s engine code 7e8 isn’t a bad thing. Neglecting oil changes will cause wear on the camshaft and camshaft journals and a corresponding drop in oil pressure. 2006 jeep grand cherokee reads #7E8 engine and #7E9 A/T on the reader with the engine light on. Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. ; Air– The air entering your vehicle’s engine must be metered by the MAF or MAP sensor. You can take your car to a professional mechanic if the engine code persists after initiating any of the above fixes. Mar 20, 2024 · The “7E8” engine code is a generic powertrain code that can indicate a variety of issues with your vehicle. Check Engine Light, Traction Control and Cruise Control. Clicking this will make more experts see the question and we will remind you when it gets answered. It is essential to diagnose the specific cause accurately to address the underlying issue effectively. Menu Code 7E9 ($7E9): Transmission System. That is the infamous bad gas cap code( usually ). SOURCE: auto scanner code 1698 The P1698 code means that no digital data is being received by the powertrain controller from the transmission control module, located on the right inner fender. Most auto repair shops charge between $75 and $150 per hour. Last code was code p16a3 Which I found out is for the ecu. Drivers may find it difficult or impossible to start the engine because of the resulting engine performance problems. trying to figure out what these codes mean. OBD2-OBDII, Engine Light, Codes Definitions, Description and Repair Information. i thought bad gas, so I put in 10 gallons of shell nitro plus premium (I always use shell regular). viking 5500 gal phone Most auto parts stores can read the OBDII codes for you for free. 04 saturn ion ran good when parked started in morning shaking bad check engine light flashing has 7e9 code for 2 months. There's approximately 150K miles n the exhaust system. As mentioned above, $7E8 is a designation used to describe a vehicle’s engine control module. A basic OBD2 scan tool offers a few different modes (from 1 to 10) to perform particular tasks on your cars. Experience: Have owned a repair shop for 25 yrs. If this does not work you will have to use another more advanced scan tool. The 7E8 engine code is a diagnostic trouble code (DTC) used in modern vehicles, particularly those equipped with onboard diagnostics (OBD) systems. However, minor tears, or rotten spots in your EVAP hose could also be the culprit. What is a 7EA engine code? Norm answered 7 years ago. 493K 7E8 and 7E9 Error Code- Causes and Quickest Solution EASILY Read FORD OBD1 Check Engine Light . Your $7E8 code does indeed indicate that there's a fault with the Hyundai Sonata's …. Web the engine light came on and we checked the codes and the code came …. Web i have $7e9:a/t and 7e8:engine codes with check engine light also po270. AND CODE 2004 IS ITAKE MANIFOLD RUNNER CONTROL STUCK OPEN. As a matter of fact, your car will be leaking the toxic fumes as long as there’s fuel in the engine, even if you’re not running it. ” Intake manifold control valves and position sensors (IMRC valve/sensor) assist the powertrain control module (PCM) in calculating the volume of air entering the intake manifold in order to manage the engine’s air-fuel ratio. (see pic I'll post as soon as I figure out how to do that - it's been some time since I did that). To diagnose the P01F0 code, it typically requires 1. Jan 7, 2024 · The 7E8 and 7E9 engine codes for Ford vehicles refer to specific diagnostic trouble codes (DTCs) that indicate issues with engine performance. P1101 Chevy Cruze: Meaning, Causes & Fixes. Check Engine Light, Traction Control and Cruise Control lights are solid on. It’s perfectly safe to clear engine fault codes even if you haven’t fixed whatever triggered it. Aug 7, 2018 · OBDII scanner interprets the codes and displays the menu. Today I was working on an older Dakota 5,2L and had the OBD tool out. These codes play a vital role in optimizing engine performance, diagnosing issues, and enabling. land for sale in north carolina with water If the converter is damaged or clogged, it will need to be replaced. 7E8 and 7E9 these are not codes what they are are system 7E8 is for the engine powertrain and 7E9 is for the transmission powertrain, go to the menu 7E8 if it list a DTC (diagnostic trouble code) select it, and it would …. Hello and welcome to JustAnswer! I'm not sure what you're seeing but those aren't fault codes. Tim's Auto Repair and 87 other Chevy Specialists are ready to help you. The code indicates a generic fault related to the engine, and further investigation is needed to pinpoint the exact issue. shifts 1-3 not 4th no odrive light. 8 muses tg comics It is not specific to a single problem; rather, it signifies that the ECM has detected an irregularity within the engine’s operation. Research the code: Identify the meaning of the 7e8 engine code by consulting the vehicle’s diagnostic trouble code (DTC) database or online resources provided by Kia. Short term sentiment is quite bearish overall, but it is not nearly as bearish as it was in May. How can I diagnose and fix the 07E8 code in my …. This could be due to numerous reasons, such as an electrical short-circuit or high voltage spike. 3- is the battery good and has 12 volts. The best way to fix this engine code is by taking your vehicle to the nearest repair shop for service as soon as possible. Usually, EEC 61 code indicates an electrical failure to the injector or a bad solenoid on the injector, but your mechanic should first check and fix the terminal crimp. $7E8 should be the ECM menu item. The P0352 code is typically triggered by a faulty cylinder #2 ignition coil, damaged wiring or connections, or PCM issues. i tried erasing the code with a/c on and off and that made no difference. It only has one volt going to the fuel pump. In some cases, the code may also be triggered by an electrical problem. Menu Code 7E8 ($7E8): Engine System Menu Code 7E9 ($7E9): Transmission System. This additional code will provide more specific information about the problem. honda odyssey sliding door sensor problem They can read and study a wide variety of code with a product like an OBD scanner which saves your time and resources. what channel is lithium stripped However, this does not mean that there is a one-size-fits-all solution to identify its underlying problem. 6x12 enclosed trailer craigslist to go crazy stability Trac control light check engine light and everything else to come on. The 7E8 engine code serves as a gateway to uncovering deeper issues within your vehicle's engine management system. Also, they are very basic and don't identify the specifics. Any vehicle can emit these if its having trouble with the emissions system. The unplug connector and the 12mm bolt for the output. $7E8 should be the ECM menu item and $7E9 should be the transmission menu. Ive been driving the truck all day and the engine light has stayed off. That is why a good diagnosis is critical before attempting to solve the problem. Feb 18, 2012 · 11 posts · Joined 2010. Remember, when in doubt, consulting with a professional …. Don't know if that had anything to do with it. E8 (or E9) indicates that you request fault codes from module E8 (or E9). I would use a regular scanner to get the translation codes such as P0144. secluded corners crossword clue My car runs mormally, no different Need to dig deeper on those codes: Engine code . Si vous avez un sceau défectueux, ces fuites déclencheront des problèmes qui pourraient entraîner la manège d'énergie. It’s important to get to the bottom of what’s going on, so you can avoid permanent transmission failure. Common issues associated with the 7E8 engine code include faulty oxygen sensors, vacuum leaks, damaged fuel injectors, and issues with the engine control …. If it changed to a different P030X code, the plug was bad. Generally, the P06DE code triggers when the engine oil pressure sensor notes that it has fallen below a minimum. If your credit is not good and you have a business, there are business credit cards for bad credit ratings in 2023 so you can start to rebuild your score. Your evaporative emission control system is an essential combination of fuel vapor hoses, a charcoal fuel vapor storage canister and computer-controlled purge and vent valves. Then you can get the PXXXX code witch you need to have for a good repair. Top 53+ images 7e8 engine code hyundaiWhat is a 7eb engine code? Chevy 6. Clicking on the code menu will read the OBDII codes (e. how to read text messages online spectrum mobile 7e8 trouble code gmc yukon - 2007 GMC Yukon XL Denali. The 7E8, also $7E8 is a sub-menu in the OBD scan tool where you will get fault codes for the engine control module; those are the P0000 codes. sky purple light location There is air leakage within the unit and/or the hot wire in the unit is badly contaminated. Third gen ram 1500 owner seeks p0524 code help Code $7e8: check engine light sometimes comes on. This isn’t similar to a regular check engine light, which indicates that the engine has an issue. you need to enter the engine section of the code reader to get the real fault codes. Sometimes, you may feel you're having a really bad day. The code indicates that there is an issue with the engine control module, and it can often be caused by a faulty sensor or solenoid. Common Causes of the 7E8 Engine Code Chevy Malibu. Basically, the control module menus and both codes represent something. Its a 2016 Kia Sorento 2,2 diesel engine with automatic transmission. I have $7e9:a/t and 7e8:engine codes with check engine light on. Web 7ea, 7eb, 7e9, 7e8 engine code for chevy, ford, nissan, bmw. I got this alarm this morning but car runs fine. Engine light on, idle is rough as well as accelration, 2005 97x 146K miles. jerry bradshaw nfl If the system detects a discrepancy twice in a row, the ‘Check Engine’ light turns on and a code like P0456 displays. P1164 HO2S Bank 2 Sensor 3 Rich Or High Voltage - Read Our Article On Oxygen Sensor Codes For Help With This Buick Check Engine Light Code. It flicked between "check engine system" and "check 4x4 system". The codes tat keep coming up are 7E8 and 7E9. Engine management warning light keeps going off with 7E8 engine warning which says it's catalyst low efficiency. Causes of 7e8 Engine Code in Your Chevy. In short: 7E8 means a request code from ECM. Faulty Pressure/Purge Control Solenoid Valve. For anyone burdened with debt, fighting lifestyle creep, and overwhelmed by the current state of inflation, it’s al. hermione granger snake vore Web that’s because 7e8 isn’t an engine trouble code. section 124 ftx arena The e350 diesel is not making power sometimes and I have to lift my foot off the accelerator to get it to shift and we are. 7ea, 7eb, 7e9, 7e8 engine code for chevy, ford, nissan, bmw – vehiclechefSolved: what is the 7e8 and 7e9 code on a 2014 ram 2022 ram 1500 for sale …. They are module addresses for the powertrain control module (PCM) and the transmission control module (TCM). Get To Know Your Dashboard Secret. 7ea, 7eb, 7e9, 7e8 engine code for chevy, ford, nissan, bmw – vehiclechef7e8 engine code ford focus How to fix p0442 engine code7e8 engine code chevy malibu. An essential part of your engine’s combustion process is the air-fuel ratio. You can read our detailed article about the 7E8 engine code. 5 but, you can only access 3 bolts on the 3. The best way to clear the check engine light is to pull the trouble code, identify and fix the issue and then drive your Tiguan around until the module that threw the code recognizes that the problem is fixed. I thought I would let you know what I've been up to. The control module controls the commanded state of the solenoid valve based on the following inputs: Engine Speed, Calculated Engine Oil Temperature, Engine Oil Pressure, and Engine …. A P0340 code spells bad news for any vehicle. By Nick Peers Using Tumblr, you can create free blogs and share your thoughts and ideas with any number of potential readers. I ended up just unhooking both battery terminals for 30 minutes and my eco started working again and my remote start stays running now and no engine light. Note that a P0421 code is not listed on most vehicles. I was thinking water in gas or fouled injector. Sometimes you have a really bad idea, but you need friends to help you pull it off. Lets Try Resetting it , the ObdII scanner you have want reset that code unless we have correct scanner or we try resetting manually. The transmission control system problem code 7E9 might result in a reduction in transmission efficiency. This code registers if there is an issue with the driver circuit for ignition coil number 2. If your car’s computer displays the P219A code, there is an issue with the air-to-fuel ratio. The difference is that P0335 covers the crankshaft that converts engine power into forward motion, while P0340 involves the camshaft that controls the intake and exhaust valves. A fuel pump is both electrical (the drive motor) and mechanical (the actual pumping mechanism). to the vehicle’s onboard computer to learn the honest collection of air and fuel that enters the cylinders in your engine. Common Trouble Codes Related to $7E8. 7E8 is a P0302 Code Cylinder 2 Misfire Detected. The 7ea engine code chevy silverado isn’t actually a malfunction code. P1403 Loss Of 5 Volts To EGR Sensor - Read Our Article on Automotive Circuit Testing For Help With This Chrysler Check Engine Light Code. 2012 Subaru Outback Engine Code 7E8 and 7E9. Or rather, this is a generic code that some OBD-II scanners will display when there's a sub-menu with additional codes, but only if it has the supported module. Police and fire departments across the U. Bad Boy Zero Turn Mowers are a great choice for those looking to get the most out of their lawn mowing experience. If not either get a better scanner or. The P06DE code indicates that there’s an issue with your vehicle’s oil pressure. In most cases, a P0300 is accompanied by other trouble codes from P0301 to P0308. Hey, I had a thread regarding a fault code, and EML being on. The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. P1215 Fuel Injector 3 Circuit High Voltage. When you rate I get a portion of the deposit you made. Auto Zone will do a free code read and tell you what they are. The second one came up as a pressure solenoid stuck on. Has anyone seen these codes and Forums. The 7e8 engine code in Hyundai vehicles refers to a specific diagnostic trouble code (DTC) that is triggered when there is a problem with the engine’s control module. So, the first step is to determine if there. According to Popular Mechanics Magazine, the 07E8 code in a Ford vehicle indicates a generic powertrain fault. What Does the P06DA Code Mean? The Engine Oil Pressure Control Solenoid Valve is used to control engine oil pressure inside the mechanical engine oil pump. Search Forums; Featured Threads; Recent Posts; Media. This guide will walk you through understanding and troubleshooting the 7E8 engine code to get your vehicle back on the road. In this video, we delve into the intricacies of the 7E8 engine code and its significance for your vehicle. mobile homes for rent in adams county it can be reached from the top of the engine. // -- 7E0/7E8 for ECM (engine control module); // -- 7E1/7E9 for TCM (transmission control module). Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it? Had a new turbo installed 4000 miles ago, check engine light came on two weeks ago, bought a Foxwell code reader and it gave those two codes. code reader says Got codes 7e8 and 7e9: check engine light came on. check engine code 11, coolant hot light flashes code 23, 95 SL2. the $ is stating which module, the p0 codes are what you are reference for specific, but looks like it's pretty clear, your O2 sensors seem to be reading extremely low, so either they appear to be dirty and can't read, or toast. Hi, What you have, $7E8 & $7E9, are not codes. This code is usually generated when there is an issue with the. When I start it it turns over then sounds like it bogs down. SOURCE: what do 7e8 and 7ea codes refer to? This seems to be a scanner component ID, not the OBD2 fault code. 7E8 and 7E9 are subcategories for the engine and transmission. Chevy tahoe 2007 , 7e8 code engine light on and stability track. P1196 Ignition Switch Start Circuit Fault. Like a great blues ballad or country song, sad movies can make us feel like we’re not alone. Engine code $7E8: engine $7E9: A/T any idea what these are. On the other hand, the 7E9 code is related to the engine powertrain, specifically with the transmission. Suburban: When error code 7e8 pops up in a Chevy Suburban, it means that the vehicle is facing fuel or air intake issues. Unfortunately $7EE is not a code at all it indicates your code reader or scan tool is having trouble communicating. Maybe it’s something that will benefit you but not them; or maybe you’ve all talked yourself int. - Check the health of catalytic converter. 2L shows codes 7e8 AND 7eA WHAT DO THEY MEAN. Automatic 6 with manual 61046miles. that is an incompatible/cheap scan tool. scroll through the multifunction display with the page buttons until the display shows the onboard voltage screen. What Is 7e8 and 7e9 Engine Code? 7e8 is great for engine control works, and 7e9 is the transmission managements’ menu only. lkq pick your part victorville victorville ca This emission control device or canister traps vapors from fuel evaporation and sends them to …. take a photo of the screen as you might not be able to remember exactly what codes said. hair color cheap near me Recommended: P0113 – Meaning, Causes, Symptoms, Diagnose, and Fix. Has been to the dealer 4 times. Error code $7e8 is a diagnostic trouble code that indicates air or fuel intake into the engine control system, thereby leading to a loss of air pressure in your vehicle’s evaporative emission control system. According to my scanner it is saying codes $7E8 and $7E9, … read more. The engine utilizes this module as part of the after-treatment system. 7e8 engine code on a dodge caliber 2008 I have replaced the throttle body and the air intake sensor and I got the - Dodge 2007 Caliber SRT4 Hatchback question. Error code 7e8 is a diagnostic trouble code that indicates air or fuel intake into the engine control system, thereby leading to a loss of air pressure in your vehicle’s evaporative emission control system. puget sound power outage I can’t find anyplace that can tell me what this is/what needs to be repaired. Also has codes for bad camshaft position sensor but I've already changed both. They performed a repair and every thing was fine, no lights or performance issues. This code flashes if there's a leak in the Evaporative Emission Control System of the Hyundai Elantra, particularly in the evaporative canister. These codes indicate a problem with the communication between the ECM and other components in the vehicle's electronic control system. women tea emoji meaning Fuel system abnormalities: Clogged fuel injectors, a faulty fuel pump, or a bad fuel pressure regulator can all lead to the appearance of the 7e8 code in Kia vehicles. An expert who has answered 20 questions. Due to no high pressure in fuel tank the ECU will detect it and an engine warning light will come on. Experience: ASE Master Tech 20+ Years. 3 Vortec engine has aluminum cylinder heads with an iron block and runs on gasoline. Alternately, you can purchase a gas cap for about $3 at an auto parts store. Add your thoughts and get the conversation going. 7E8 and 7E9 these are not codes what they are are system 7E8 is for the engine powertrain and 7E9 is for the transmission powertrain, go to the menu 7E8 if it list a DTC (diagnostic trouble code) select it, and it would read a P code such as P0XXX or P1XXX same. You will also have a 7E9 and this is for the transmission. Code 7E9 means that there is a problem with the transmission management system, which could cause the transmission to work less well. One long blink is equivalent to 10 short blinks. Culprit Behind: Causes Leading to P0087 Code. I also noticed it goes away when I fuel up and then comes back on … read more. The codes are $7E8, $7EA, and $7EE. 7e8 Engine Code Dodge Ram 1500 22 Jun 2023. Make an appointment with the sales repres. I've looked online with no luck, so not sure what to do. The 7E8 is more of a menu for the engine data stream than a code. If the 7E8 Code appears on your car’s diagnostic system, the first step is to clear the Check Engine light or use a scanner to reset the CE. Viele Leute sich fragen ob diesen Motorcode ist schlecht und was es bedeutet ihr Fahrzeug. If You scan it and notice that the code iS7EC then it means that there is a problem with the engine control module. loosen the 8mm bolts that hold the egr intake tube to the egr valve, remove the egr bolts, disconnect wiring, remove valve and tube together, attach intake tube loosely to new valve, install new valve, tighten tube bolts to egr using a swivel socket, this is not a 5 minute job, so dont. The selected gear should be highlighted with a box around the letter. This means that it is not necessarily related to a genuine problem, but instead may just be a sign of an issue that. Print this page; Share this page; Add Your Answer. Es handelt sich lediglich um einen …. GMC Cars & Trucks; Related Topics. Issues With The Ignition System: How To Fix The 7E8 Engine Code In A Car? 1. The 7e8 engine code is one of the most common codes, meaning that it can be caused by many things. The E8 and E9 represent different modules or parts of the vehicle from where the codes are retrieved. Jul 30, 2020 · Repair costs associated with replacing a bad MAF sensor, average $230-280 in parts and labor, while a damaged oil pan can run anywhere from $570-630 in parts and labor. The $7e8 engine code indicates a problem with the engine powertrain; meanwhile, the $7e9 suggests a problem with the transmission powertrain. The 7e8 engine code in a Jeep refers to a specific diagnostic trouble code (DTC) that indicates a problem or issue with the engine’s control module. For example, if the cylinder number 1 misfires in a 4-cylinder engine, it will run only on 3 cylinders and will have the code P0301, see the animation. Those are identification numbers. Problems With Catalytic Converters: 4. It serves as a vital communication tool between your car’s engine control module (ECM) and the diagnostics interface. Also, endeavor to perform an EVAP test on your car after driving for 10,000 miles to prevent poor gas mileage and the $7e8 engine code. P1214 Fuel Injector 2 Circuit High Voltage. Click on each one separately and you should or might get a regular "P0" code if your scanner. Hi there, I scanned my 2014 Crosstrek and am coming up with $7E8 & $7E9 codes? Does anyone know what these mean? Reason for scanning was that my check engine light came on along with “check emission control system”. answered Dec 2, 2018 by Reynaldo (13. Nov 11, 2023 · The 7E8 and 7E9 engine codes are generic codes that can be used by any vehicle manufacturer. I have a code reader it is showing $7E8 2014 Malibu Mechanic's Assistant: Im sorry to hear about your situation, but the Chevy Mechanic will be able to help you diagnose the issue with your 2014 Malibu based on …. It isn’t easy to diagnose a P0234 code. Your vehicle’s computer will set code P2188 when it detects the engine running rich while idling. I'm using an AutoLink OBDII scanner by Autel. Researchers at Stanford find that code-generating AI systems can cause developers to overlook security vulnerabilities in apps. now there is an exclamation mark and the car will not even try to start. If you have the V6, they have a history of timing chain problems. Jan 12, 2023 · Check engine light - Remember that the 7E8 code is related to the engine powertrain. 6L Turbo Diesel check engine light. That can result in bad performance and stalling. There's a lot of advice out there on there internet—some of it here on Lifehacker—and it can sometimes be difficult to tell whether it's good or bad.