Is 7e8 engine code bad

code Tea, 7eb, 7e8, engine Light for a 2010 Chevy ... from Houston Texas to Gray Louisiana with no problem but on Tuesday or Wednesday I was driving it around and got these codes and the truck started running bad but after about a minute or two the check engine light went off and the truck started running fine but today it happened ...

Is 7e8 engine code bad. Posted on Apr 27, 2012. $7E8 and $7E9 are sub menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that sub menu. David Hernandez. Contributor 1 Answer. Posted on Dec 31, 2015.

Is 7e8 engine code on Chevy bad? No, Chevy’s engine code 7e8 isn’t a bad thing. Because if your Check Engine light is on and your code scanner reads 7e8, it implies your Chevy needs to be serviced as soon as possible in order to detect all of its existing issues. Only then can the problem be easily fixed.

2 helpful. That is what they call a "generic" code. Some OBD11 or OBD2, "same thing", scanners will give a $7E8 and $7EA. together and maybe a $7E9. These are for a sub menu. Click on each one separately and you should or might get a regular "P0" code if your scanner. has the supported module. If not either get a better scanner or.How to fix 7e8 engine code: complete guide7e8 and 7e9 engine code 7ea, 7eb, 7e9, 7e8 engine code for chevy, ford, nissan, bmw - vehiclechef7e8 engine code: what it means and how to fix it code meaning, learn to.1 post · Joined 2018. #1 · Jan 5, 2018. I have a2010 328i .the check engine light came on then the engine stopped. now there is an exclamation mark and the car will not even try to start .it has plenty of battery. engine code shows $7e8. need help. Thanks John.Is your vehicle’s check engine light constantly illuminating with the code P0300? This common code indicates an issue with your car’s engine misfire, which can lead to a variety of...darkside1911. • 4 mo. ago. Usually a $07E8 along with the $07E9 CODE is a gas cap issue not placed back correctly or bad as well, just saying. Due to no high pressure in fuel tank the ECU will detect it and an engine warning light will come on. That can result in bad performance and stalling.SOURCE: We have 2013 Subaru Impreza getting codes 7E8 Engine and 7E9 A/T. Hi. I think you bought a new scan tool. No Problem. 7E8 and 7E9 are subcategories for the engine and transmission. Scroll down some more. OBD2 engine codes will always start with "P". Example: P0300- Random misfire.Common causes for the 7e8 and 7e9 engine codes. The 7e8 and 7e9 codes can be triggered by various issues within the engine system. Some common causes include: 1. Faulty Oxygen Sensor: A malfunctioning oxygen sensor can cause an imbalance in the air-fuel mixture, leading to the engine codes. 2.Damaged Canister. Bad Canister Close Valve. Bad fuel tank pressure valve. Unplugged fuel vapor line. Faulty pressure control solenoid valve. Bad fuel pump seal. A Bad fuel …

2 helpful. That is what they call a "generic" code. Some OBD11 or OBD2, "same thing", scanners will give a $7E8 and $7EA. together and maybe a $7E9. These are for a sub menu. Click on each one separately and you should or might get a regular "P0" code if your scanner. has the supported module. If not either get a better scanner or.Are you worried that your drywall job may not have been done properly? Learn about the signs of a bad drywall job and how to fix them in this helpful guide. Expert Advice On Improv...OBD reader said $7E8 and $7EA. Tried a jump and clearing the codes to get it working (not sure it needed a jump). Ran fine for a week. Second time: car sat for the weekend again. Stopped and got red triangle again along with the yellow exclamation point. Problem read on the screen but the car kept running. Clearing the same codes and it …The code you have points to too much air in the exhaust so you either have an air leak in the vaccum system after the Maf or indeed a bad Marf sensor thats misreporting what air is passing by it. If that happens then the extra air seen in the exhaust is going to be seen as a mismatch by the main engine management and set the EML on the dash.OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System Menu Code 7E9 ($7E9): Transmission System

Engine code 7E8. Engine code 7E8 is not an engine code but a submenu for the engine control module. If your OBD scan tool displays engine code 7E8, there is a request code from the engine control module (ECM). ... The most common signs of bad spark plug wires include poor engine performance, bad fuel economy, and rough idle. The good news is ...It is a hexadecimal code that is used to indicate a specific issue or fault within the engine system. When the ECM detects a problem, it triggers the illumination of the check engine light on the dashboard, accompanied by the 7e8 engine code. It is important to address this code promptly to avoid further damage to the engine.Common Trouble Codes Related to $7E8. As mentioned above, $7E8 is a designation used to describe a vehicle's engine control module. Therefore, this menu will be selected when attempting to access engine related faults. The following are several faults most commonly stored by this module. P0300 - P0305: Cylinder misfire.Code 7E8 and 7E9 are diagnostic trouble codes (DTCs) that are related to the engine control module (ECM) in your Dodge Ram 1500. These codes indicate a problem with the communication between the ECM and other components in the vehicle's electronic control system. Check the wiring: Make sure that all of the wiring to and from the ECM is secure ...What is the Cost to Diagnose the Code? Labor: 1.0. The cost to diagnose the P0449 Hyundai code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Esto también puede activar el código 7E8. Válvula solenoide de control de presión/purga defectuosa. Su válvula solenoide de control de purga es el principal responsable de regular las emisiones de su vehículo. Los vapores de combustible capturados se almacenan en el bote de carbón antes de ser devueltos a la máquina.

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The 7e8 engine code is a generic trouble code that is used to identify an issue with the fuel and air mixture in a vehicle's engine. This code can indicate a wide variety of issues, from minor problems such as a malfunctioning oxygen sensor, to more serious problems such as a vacuum leak or clogged catalytic converter.The 7E8 is more of a menu for the engine data stream than a code. It represents the data stream of the car's engine and also indicates air pressure loss in the evaporative emission control system. Often, when this engine code comes up, it implies an engine powertrain. Engine codes help you to identify any potential engine problems so you can ...7e8 engine code - Peugeot Cars & Trucks question. 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 sameFAQs about 7E8 Engine Code Is the 7e8 engine code bad? From my experience and expertise, the 7E8 engine code signals a potential issue with the vehicle's emission system. Specifically, this code points to a loss of air pressure in the evaporative emission system, a possible malfunction with the engine control module (ECM), or compromised fuel ...

The $7 at the start represents mode 7. The E8 and E9 represent different modules or parts of the vehicle from where the codes are retrieved. E8 represents the engine control module while E9 represents the transmission control module. In short: 7E8 means a request code from ECM. 7E9 means a request from TCM.Code P0131 is a result of the oxygen sensor incorrectly detecting the air/fuel ratio of the exhaust. This ratio is sent to the ECM which uses this data, along with comparisons to the outside air, to regulate the air to fuel ratio needed by the engine. This code is the result of this ECM detecting either a voltage outside of the specified range ...The 7EA engine code is a diagnostic trouble code (DTC) that is commonly found in vehicles. When this code appears, it indicates that there is a problem with the engine’s control module. The control module is responsible for monitoring and regulating various aspects of the engine’s performance, such as fuel injection, ignition timing, and ...The 7E8 engine code is a common topic of discussion among car enthusiasts and mechanics.Many people wonder if this engine code is bad and what it means for their vehicle.The truth is, the 7E8 engine code is not necessarily bad on its own. It is simply a generic code that indicates a problem with the engine. To determine the severity of the …‘I hate myself. I am a bad seed. I make myself sick. I ruin everything.’ Sound familiar? Do you struggle w ‘I hate myself. I am a bad seed. I make myself sick. I ruin everything.’ ...OK, possibly just a bad glow plug or the module. Hard to say without the proper codes. You can get a part store to scan it, they often do that for free then we can see what codes there is. ... Code Tea, 7eb, 7e8, engine Light for a 2010 Chevy Silverado. 12.5.2023. David Craig. OWNER/MECHANIC. 18,441 Satisfied Customers. 7ee 7e8 7ea check engine ...The difference between the 7E8 and 7E9 engine codes is that the 7E8 engine code implies an engine powertrain, while the 7E9 implies the transmission powertrain. While the 7E8 code indicates faulty fuel vapor lines, Fuel filler cap damage, damaged fuel filler pipe, faulty CCV, FTPS, or PCSV, fuel leaks cause the 7E9 code to slip and overheat ...P0308 is a diagnostic trouble code (DTC) for "Cylinder 8 Misfire Detected". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 .Check engine light on, Solid, 2012 GMC Sierra, codes 7e8 7ea 7eb - Answered by a verified GMC Mechanic. ... I can't tell if it's an actual oil pressure issue or if the sensor is bad. I had the check engine code ran and it brought up issue with oil pressure switch car is running fine and if the light didn't ...The 7E8 code will be stored whenever the engine has a problem, and the CEL will illuminate. Poor engine performance - Your vehicle will have a hard time going uphill, especially when under load. This happens because the air-fuel ratio in the combustion chambers can be overly rich or too lean.7E8: Engine and 7E9:A/T code. Hey folks, new to Mazda's since my old B210. Just picked up a 2010 3 Hatchback with 2.5 engine. My son was driving it and it showed the AT lights and light with car and I assume was traction control symbol. I read the codes and got 7E8: Engine and 7E9:A/T code. Not much info in the web about this.

The 7E8 engine code serves as a gateway to uncovering deeper issues within your vehicle's engine management system. By understanding how to interpret and act on the specific fault codes under the 7E8 menu, car owners can take proactive steps towards resolving engine problems. Remember, when in doubt, consulting with a professional mechanic can ...

The 7E8 engine code, in particular, often leaves individuals scratching their heads, wondering about the cause and the necessary steps to resolve it. This guide aims to demystify the 7E8 engine code, providing car owners with valuable insights and effective repair strategies.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 sameMECHANIC. 108,205 POSTS. Hi, What you have, $7E8 & $7E9, are not codes. They are module addresses for the powertrain control module (PCM) and the transmission control module (TCM). Most codes retrieved will start with the letter P and be followed by 4 numbers. For example, P0301 indicates a cylinder one misfire.Being a Focus with a no start chances are you need a new TCM (trans control module). WHen the key is in the ignition look at the PRNDL in the message center. The selected gear should be highlighted with a box around the letter. If you have no square the car doesn't know what gear it's in. If it's a TCM, the part is about $450.P06DA Code - Engine Oil Pressure Control Solenoid Valve Control Circuit - Code Popularity: 11,813 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. Table of contents. Created and updated by William Orellana on Jul 14, 2022. Possible Causes;The world of marketing has become a world of marketing tech. But marketers are not necessarily engineers, so working with the terabytes of data their campaigns produce can be a cha...The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. The engine control module (ECM) uses two O2 sensors, one in front, and …Being a Focus with a no start chances are you need a new TCM (trans control module). WHen the key is in the ignition look at the PRNDL in the message center. The selected gear should be highlighted with a box around the letter. If you have no square the car doesn't know what gear it's in. If it's a TCM, the part is about $450.Bad moods knock us all out of alignment now and again. But why do they happen? And is there anything we can do about it? Let's look at the science behind a bad mood, what it does i...

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An engine code is also referred to as a Diagnostic Trouble Code, or DTC. Wrangler DTC codes can range from low battery voltage to sensor issues, depicted by a string of digits. How to Check An Engine Code. For JK Wranglers, checking the engine code is a relatively simple task. Just complete the following steps: Insert key into the ignition.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...The difference between the 7E8 and 7E9 engine codes is that the 7E8 engine code implies an engine powertrain, while the 7E9 implies the transmission powertrain. While the 7E8 code indicates faulty fuel vapor lines, Fuel filler cap damage, damaged fuel filler pipe, faulty CCV, FTPS, or PCSV, fuel leaks cause the 7E9 code to slip and overheat ...7E8 ENGINE CODE - Hyundai Cars & Trucks. SOURCE: engine code $7E8: engine. $7E8 and $7E9 are sub menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that sub menu. SOURCE: I have a 2013 Mitsubishi Outlander engine code $7E8:Engine, is P0420 which is the catalyst System efficiency ... Again, $7E8 & $7E9 are not engine codes. A basic OBD2 scan tool offers a few different modes (from 1 to 10) to perform particular tasks on your cars. In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: What you have to do when ... The maximum oil pressure in the engine is limited to 1000 kPa (145 psi) by the relief valve. Pressure in the main oil gallery of the engine can be monitored with diagnostic equipment through the oil pressure sensor mounted on the rear of the oil filter module. The minimum pressure for the engine is 41 kPa (6 psi) at any operating condition.Dec 12, 2021. #2. they are not fault codes. that is an incompatible/cheap scan tool. scan tools should show a letter then 4 or 5 digit code. drop into an auto parts store and have them scan for you. take a photo of the screen as you might not be able to remember exactly what codes said.They can read and study a wide variety of code with a product like an OBD scanner which saves your time and resources. What Is 7e8 and 7e9 Engine Code? 7e8 is great for engine control works, and 7e9 is the transmission managements' menu only. Both these codes are not dangerous as such and do not need a cause of worry. ….

OBD reader said $7E8 and $7EA. Tried a jump and clearing the codes to get it working (not sure it needed a jump). Ran fine for a week. Second time: car sat for the weekend again. Stopped and got red triangle again along with the yellow exclamation point. Problem read on the screen but the car kept running. Clearing the same codes and it …These codes are used to identify potential issues with the vehicle's powertrain, which is responsible for generating power and transferring it to the wheels. The $7 represents mode 7, while E8 and E9 indicate the specific module being requested. When requesting codes from the $7E8 submenu, the engine module is scanned for any potential issues.The engine light is on the code is7E8 &7EA i have a cadillac cts 20012 what does that mean? No it has not i did and the - Answered by a verified GM Mechanic ... I got engine codes 7E8 and 7EA today on my 2017 GMC Canyon with about 74,000 miles. ... I'm just wondering if a bad TPS on my 10 cts 3. 2010 will a.I believe it might be a bad intercooler charge tube since there are cracks in the tube. 7E8 And 7E9 Engine Code ... I have $7e9:a/t and 7e8:engine codes with check engine light on. Also po270. 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 ...Bouvier's Law Dictionary describes "bad title" as "...one which conveys no property to the purchaser of an estate." It's rare for property titles to fit this definition; however, s...So in summary, the 7E8 code essentially means there is a wiring fault or electrical connection issue that is disrupting communication between the ECM and other parts of the engine management system. What Causes the 7E8 Code? There are a few different possible causes for the 7E8 trouble code: Faulty Engine Control Module.The 7E8 and 7E9 engine codes are generic codes that can be used by any vehicle manufacturer. The 7E8 code refers to the ECM, while the 7E9 code refers to the Transmission Control Module (TCM). These codes can be read using an OBD-II scanner, which can be plugged into your car’s diagnostic port.The P0128 code is set when the engine control module (ECM) determines that coolant temperature is lower than the original equipment thermostat's opening temperature. ... It's important to note that some OEMs will store a P0125 code if the condition that triggered the P0128 gets bad enough that the engine begins to run even cooler. See also ... Is 7e8 engine code bad, 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".. and disabled cruise control as well.., Got codes $7E8: Engine and $7EC BMW engine codes. Mechanic's Assistant: Is the rough idling consistent? Anything sound different? It was consistent for about 20min going up mountain roads. It sounded rougher for a minute or 2, but not much different. We just bought the car from a private seller, so we aren't sure exactly what it should sound like, Ok. clear the codes and get the first code that shows back up when the light comes on. Tim's Auto Repair. Category: Chevy. Satisfied Customers: 20,077. Experience: Have owned a repair shop for 25 yrs. Verified. Tim's Auto Repair and 87 other Chevy Specialists are ready to help you. Ask your own question now., If so select one of the items and it should show you more information. $7E8 should be the ECM menu item and $7E9 should be the transmission menu. Also I would use a regular scanner to get the translation codes such as P0144. Here is a guide., Check engine light on, Solid, 2012 GMC Sierra, codes 7e8 7ea 7eb - Answered by a verified GMC Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them., This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread., 2010silverado code 7e8 and 7ea engine light on change fuel pump module o2 sensor and air filter no better. ... My 2014 GMC Denali 6.2L shows codes 7e8 AND 7eA WHAT DO THEY MEAN. GMC Cars & Trucks; Related Topics. 7ea $7ea code trouble code 7ea 6,176 views . Ask a Question. Usually answered in minutes!, Search OBD-II Trouble Codes. Code. Common Problems That Trigger This Code. P0010. Powertrain Control Module (PCM) failure, Variable valve timing actuator failure, Wiring issue. P0011. Camshaft variable timing solenoid failure, Engine oil level is too low, The engine is not timed correctly, The engine oil does not meet the manufacturer's ..., Error codes 7E8 and 7E9 are generic codes that can appear on a variety of vehicles. They indicate that there is a problem with the communication between the ..., bw. 7e8 engine code chevy silverado.The fault codes will be in the engine control module, but the 7E8 is letting you know there are codes. Engine code 7ea, 7eb, 7e8, engine light and stabilitrack light on the codes are 7e8 snd 7ea 2008 GMC 2500hd Duramax with 33x12 Chevy 1500 7ea and 7e8 engine code 4 Answers Every 100 milliseconds from the gearbox controller, a P-code, These codes are not trouble codes but instead just informational. The E8 means the engine control module was interrogated for codes. The E9 means the Transmission control module was asked for codes as well. If these are the only codes that you have then there are no issues with the vehicle that would set a code. Hope this helps. Thanks. Was this., 7E8: Engine and 7E9:A/T code. Hey folks, new to Mazda's since my old B210. Just picked up a 2010 3 Hatchback with 2.5 engine. My son was driving it and it showed the AT lights and light with car and I assume was traction control symbol. I read the codes and got 7E8: Engine and 7E9:A/T code. Not much info in the web about this., FAQs about 7E8 Engine Code Is the 7e8 engine code bad? From my experience and expertise, the 7E8 engine code signals a potential issue with the vehicle's emission system. Specifically, this code points to a loss of air pressure in the evaporative emission system, a possible malfunction with the engine control module (ECM), or compromised fuel ..., Nothing puts a damper on your work life like a bad boss, but at times—particularly in a down economy—simply finding a new job isn't an option. Nothing puts a damper on your work li..., The only noticeable symptom of the P2404 code is usually an illuminated check engine light. However, other DTC codes related to the EVAP might also trigger alongside it. Some common causes behind the P2404 code include a faulty EVAP leak detection pump, a clogged EVAP leak detection pump filter, and a leak in the EVAP., 2012 Subaru Outback Engine Code 7E8 and 7E9. JVOYER64 MEMBER; 2012 SUBARU OUTBACK; 1.2L; 4 CYL; AWD; AUTOMATIC; 78,000 MILES; Would like to know how to fix. Do you. have the same problem? ... HE SAYS THE CODES ARE NOT CODES AT ALL, BUT MEANS THE SCANNER IS UNABLE TO TALK TO THIS VEHICLE HE SAYS USE A DIFFERENT SCANNER (BRAND) TO TRY TO SCAN FOR ..., Check engine light codes. Im runnin a 2010 Colarado with about 90,000 miles on her. My check engine light popped on, and im getting the following codes: $7EB, $7E8, and $7EA. Not sure what these codes are, but I eventually found the DTC code P0442 on my reader. I was able to clear the codes, and the engine light hasnt popped back on yet., I may be wrong, but I think the 7e8 is not the code. It is what you need to select in the diagnostic tool to start looking for codes. 2011 GMC 2500HD Duramax Z-71 CCSB SLE, Started it again and the dic said reduced engine power, I shut the truck off then restarted it and the check engine light stayed on drove it to the dealer and by the time they cycled key to see the light it was off go figure so they checked the code which was "7e8 engine code" weird code they cleared and told me they would let me know what it ..., Shop Car Code Reader Now. Understanding the 7E8 Engine Code. The 7E8 engine code isn't a fault code in itself. Instead, it's a command code that your vehicle's OBD-II scanner displays, indicating that there's an issue that needs further investigation. The actual problem could range from a minor sensor malfunction to more significant engine ... , The 7E8 engine code serves as a gateway to uncovering deeper issues within your vehicle's engine management system. By understanding how to interpret and act on the specific fault codes under the 7E8 menu, car owners can take proactive steps towards resolving engine problems. Remember, when in doubt, consulting with a professional mechanic can ..., The 7EA engine code is a diagnostic trouble code (DTC) that is commonly found in vehicles. When this code appears, it indicates that there is a problem with the engine's control module. The control module is responsible for monitoring and regulating various aspects of the engine's performance, such as fuel injection, ignition timing, and ..., These 3 control modules allow the scan tool to read data. The fault codes will be in the engine control module, but the 7E8 is letting you know there are codes. You need to select the engine control module to read those codes. The same for 7E9. When you retrieve the codes (if there are any), signal back if you need assistance in the code meaning., Trouble code $7E8 for 2006 toyota prius. $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. 0 helpful. 2 answers., those are not codes. These are not trouble codes, instead they direct you to components that need to be looked at. Basically, the control module menus and both codes represent something. The 7e8 represents the engine powertrain, while the 7e9 represents the transmission powertrain. da., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System, Check engine light comes. Buick Lacrosse 2015 3.6 l engine. Check engine light comes on periodically them disappears for a couple of days. Code is shown as $7EB and $7EA. Gregg Lathem. Consultant. Associate Degree. 1,251 satisfied customers. Show more., Hi, These two terms are really not codes, at least not diagnostic trouble codes. The 7E8 is an engine data menu. The 7E9 is the same for the transmission. Is the check engine light staying on when the engine is running? Are you experiencing any engine or transmission issues?, 4. 47770. 106 posts · Joined 2013. #6 · Jul 30, 2017 (Edited) Filled up my 2014 JGC diesel and the check engine light came on after a few miles. Have an appointment in two days (diesel tech not in until August 1st). In the meantime, we have taken two 40 mile trips, one pulling a 5,000 trailer. Check engine light is still on, not flashing ..., You can trace the reduced cycling rate of an oxygen sensor's cross-counting voltage activity to problems that affect either the device, engine performance or the exhaust system. The following issues can cause the PCM to set a P0153 code: Bad or failing oxygen sensor; Oxygen sensor circuit problems (e.g., damaged wires or poor connections), 7e8 code want start, yes 7e8 7e9 2013, optima ex, would like. would like some kind of direction ,just tried to jump it off and also unplugged battery cables for reset … read more. Chris (aka- Moose) Technician. 1,025 satisfied customers., P0523 means the Oil pressure voltage to high. Your Oil pressure sensor may need to be replaced. P1682 means your charging system is to low. Your voltage regulator may be going bad or the whole alternator. p1693 means a Diagnostic trouble code (DTC) has been detected in the ECM or PCM which is related to the above DTC P0XXX codes.